15656052 has 24 divisors (see below), whose sum is σ = 36822016. Its totient is φ = 5177088.

The previous prime is 15656033. The next prime is 15656059. The reversal of 15656052 is 25065651.

It is a super-2 number, since 2×15656052² = 490223928453408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15656059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3613 + ... + 6660.

Almost surely, 2^15656052 is an apocalyptic number.

15656052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15656052 is an abundant number, since it is smaller than the sum of its proper divisors (21165964).

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

15656052 is a wasteful number, since it uses less digits than its factorization.

15656052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10407 (or 10405 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 15656052 is about 3956.7729275257. The cubic root of 15656052 is about 250.1655010801.

The spelling of 15656052 in words is "fifteen million, six hundred fifty-six thousand, fifty-two".