Fatto generale: 4952 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 4952 is the closest integer to 15^{p}.
Trivia: 4952 is an uninteresting number.
Data storica: July 22nd is the day in 1944 that the Polish Committee of National Liberation publishes its manifesto, starting the period of Communist rule in Poland.