Fatto generale: 58711 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 58711 is an uninteresting number.
Trivia: 58711 is a boring number.
Data storica: September 28th is the day in 1781 that American forces backed by a French fleet begin the siege of Yorktown, Virginia, during the American Revolutionary War.