15500 is nontrivially palindromic in base 9.
15500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
15500 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.
15500 is an undulating number in base 9.
It is a nialpdrome in base 5.
It is a zygodrome in base 5.
It is an unprimeable number.
215500 is an apocalyptic number.
15500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 15500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15500 is a wasteful number, since it uses less digits than its factorization.
15500 is an odious number, because the sum of its binary digits is odd.
The square root of 15500 is about 124.4989959799. The cubic root of 15500 is about 24.9331547612.
The spelling of 15500 in words is "fifteen thousand, five hundred".