15056864 has 24 divisors (see below), whose sum is σ = 30005640. Its totient is φ = 7436416.

The previous prime is 15056861. The next prime is 15056869. The reversal of 15056864 is 46865051.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15056861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179 + ... + 5490.

It is an arithmetic number, because the mean of its divisors is an integer number (1250235).

Almost surely, 2^15056864 is an apocalyptic number.

It is an amenable number.

15056864 is a deficient number, since it is larger than the sum of its proper divisors (14948776).

15056864 is an equidigital number, since it uses as much as digits as its factorization.

15056864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762 (or 5754 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 15056864 is about 3880.3175127817. The cubic root of 15056864 is about 246.9324559749.

The spelling of 15056864 in words is "fifteen million, fifty-six thousand, eight hundred sixty-four".