Fatto matematico: 48864 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 48864 is an unremarkable number.
Data storica: October 13th is the day in 1892 that Edward Emerson Barnard discovers D/1892 T1, the first comet discovered by photographic means, on the night of October 13–14.