Fatto generale: 48717 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 48717 is an uninteresting number.
Trivia: 48717 is an uninteresting number.
Data storica: May 19th is the day in 1828 that U.S. President John Quincy Adams signs the Tariff of 1828 into law, protecting wool manufacturers in the United States.