I don't think Xi will allow Chinese people to go out of China this year or next year. Also, many Western tourists are in a delay mode. They certainly do not want to visit a country that still has curfew.
55K is doable and adjustable depending on your needs. Your spending habit will not be the same as when you're on vacation. You can live within your mean. Splurge some and save some.
I don't trust this government. They are not consistence and has no backup plans. They make up things as situation occurs and can make the tourists suffer on their trip.