Fatto generale: 48499 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 48499 is an unremarkable number.
Trivia: 48499 is an uninteresting number.
Data storica: October 13th is the day in 1983 that Ameritech Mobile Communications (now AT&T) launched the first US cellular network in Chicago, Illinois.