Fatto generale: 48941 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 48941 is a boring number.
Trivia: 48941 is an unremarkable number.
Data storica: December 29th is the day in 1959 that Physicist Richard Feynman gives a speech entitled "There's Plenty of Room at the Bottom", which is regarded as the birth of nanotechnology.