Fatto generale: 48571 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 48571 is an uninteresting number.
Trivia: 48571 is an unremarkable number.
Data storica: December 24th is the day in 563 that the Byzantine church Hagia Sophia in Constantinople is dedicated for the second time after being destroyed by earthquakes.