52156908 has 18 divisors (see below), whose sum is σ = 131841164. Its totient is φ = 17385624.

The previous prime is 52156889. The next prime is 52156913. The reversal of 52156908 is 80965125.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1448803 = 52156908 / (5 + 2 + 1 + 5 + 6 + 9 + 0 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 724366 + ... + 724437.

Almost surely, 2^52156908 is an apocalyptic number.

It is an amenable number.

52156908 is an abundant number, since it is smaller than the sum of its proper divisors (79684256).

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

52156908 is a wasteful number, since it uses less digits than its factorization.

52156908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448813 (or 1448808 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 52156908 is about 7221.9739683829. The cubic root of 52156908 is about 373.6261623333.

The spelling of 52156908 in words is "fifty-two million, one hundred fifty-six thousand, nine hundred eight".