56965131 has 6 divisors (see below), whose sum is σ = 82282980. Its totient is φ = 37976748.

The previous prime is 56965123. The next prime is 56965159. The reversal of 56965131 is 13156965.

56965131 is a `hidden beast` number, since 56 + 96 + 513 + 1 = 666.

It is not a de Polignac number, because 56965131 - 2³ = 56965123 is a prime.

It is a super-2 number, since 2×56965131² = 6490052299694322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56965121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3164721 + ... + 3164738.

It is an arithmetic number, because the mean of its divisors is an integer number (13713830).

Almost surely, 2^56965131 is an apocalyptic number.

56965131 is a deficient number, since it is larger than the sum of its proper divisors (25317849).

56965131 is a wasteful number, since it uses less digits than its factorization.

56965131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329465 (or 6329462 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 56965131 is about 7547.5248260605. The cubic root of 56965131 is about 384.7716214558.

The spelling of 56965131 in words is "fifty-six million, nine hundred sixty-five thousand, one hundred thirty-one".