15055500 has 48 divisors (see below), whose sum is σ = 43845984. Its totient is φ = 4014400.

The previous prime is 15055477. The next prime is 15055517. The reversal of 15055500 is 555051.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3519 + ... + 6518.

It is an arithmetic number, because the mean of its divisors is an integer number (913458).

Almost surely, 2^15055500 is an apocalyptic number.

15055500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15055500 is an abundant number, since it is smaller than the sum of its proper divisors (28790484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15055500 is a wasteful number, since it uses less digits than its factorization.

15055500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10059 (or 10047 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 15055500 is about 3880.1417499880. The cubic root of 15055500 is about 246.9249992198.

The spelling of 15055500 in words is "fifteen million, fifty-five thousand, five hundred".