56572371 has 16 divisors (see below), whose sum is σ = 86077600. Its totient is φ = 36694944.

The previous prime is 56572363. The next prime is 56572403. The reversal of 56572371 is 17327565.

56572371 is a `hidden beast` number, since 56 + 572 + 37 + 1 = 666.

It is not a de Polignac number, because 56572371 - 2³ = 56572363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56572331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27316 + ... + 29313.

It is an arithmetic number, because the mean of its divisors is an integer number (5379850).

Almost surely, 2^56572371 is an apocalyptic number.

56572371 is a deficient number, since it is larger than the sum of its proper divisors (29505229).

56572371 is a wasteful number, since it uses less digits than its factorization.

56572371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56675 (or 56669 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 56572371 is about 7521.4606959021. The cubic root of 56572371 is about 383.8852806726.

The spelling of 56572371 in words is "fifty-six million, five hundred seventy-two thousand, three hundred seventy-one".