Fatto generale: 98533 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 98533 is a boring number.
Trivia: 98533 is an uninteresting number.
Data storica: October 9th is the day in 2009 that First lunar impact of the Centaur and LCROSS spacecrafts as part of NASA's Lunar Precursor Robotic Program.