56961072 has 60 divisors (see below), whose sum is σ = 182188240. Its totient is φ = 16274304.

The previous prime is 56961059. The next prime is 56961083. The reversal of 56961072 is 27016965.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27247 + ... + 29262.

Almost surely, 2^56961072 is an apocalyptic number.

It is an amenable number.

56961072 is an abundant number, since it is smaller than the sum of its proper divisors (125227168).

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

56961072 is a wasteful number, since it uses less digits than its factorization.

56961072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56530 (or 56521 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 56961072 is about 7547.2559251691. The cubic root of 56961072 is about 384.7624823849.

The spelling of 56961072 in words is "fifty-six million, nine hundred sixty-one thousand, seventy-two".