Dan Mountney
The club confirmed the news in their latest Covid-19 update, with the decision coming as they look to cut costs following the impact of the pandemic on finances at the Emirates.
"Over recent years we have consistently invested in additional staff to take the club forward but with the expected reduction of income in mind, it is now clear that we must reduce our costs further to ensure we are operating in a sustainable and responsible way, and to enable us to continue to invest in the team," read the official club statement.
"Our aim has been to protect the jobs and base salaries of our people for as long as we possibly can. Unfortunately, we have now come to the point where we are proposing 55 redundancies.
"We do not make these proposals lightly and have looked at every aspect of the club and our expenditure before reaching this point. We are now entering the required 30-day consultation period on these proposals.
"We know this is upsetting and difficult for our dedicated staff and our focus is on managing this as sensitively as possible.
"These proposed changes are ultimately about ensuring we take this great football club forward, creating the right organisation for a post-Covid world, and ensuring we have the resources to return to competing effectively at the top of the game here and in Europe."
Further updating fans on the financial situation at the club, the statement continued: "Our main sources of income have all reduced significantly. Revenue from broadcasters, matchday and commercial activities have all been hit severely and these impacts will continue into at least the forthcoming 2020/21 season.
"The pandemic represents one of the most challenging periods in our 134-year history and we have responded promptly by implementing wide-ranging measures to reduce our costs. Our players, senior football staff and executive team have volunteered pay cuts, we have stopped pretty much all of our capital spending, and our discretionary operating expenditure has been strictly controlled.
"We have also received significant financial support from our owners, Kroenke, Sports & Entertainment in terms of refinancing our stadium debt.
"These steps have all reduced the impact of the pandemic on the club and have helped us continue to maintain investment in the team. This will continue to be a key priority.
"It is now clear that we will be facing more significant and longer-lasting reductions in our revenue than we all hoped. Current indications are that we will not have fans back at Emirates Stadium for the start of next season and fans will only be able to return in limited numbers after that. The global economic projections are also very negative."
