56032947 has 12 divisors (see below), whose sum is σ = 81199144. Its totient is φ = 37234080.

The previous prime is 56032943. The next prime is 56032967. The reversal of 56032947 is 74923065.

56032947 is a `hidden beast` number, since 5 + 603 + 2 + 9 + 47 = 666.

It is not a de Polignac number, because 56032947 - 2² = 56032943 is a prime.

It is a super-2 number, since 2×56032947² = 6279382299009618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56032943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7129 + ... + 12762.

Almost surely, 2^56032947 is an apocalyptic number.

56032947 is a deficient number, since it is larger than the sum of its proper divisors (25166197).

56032947 is a wasteful number, since it uses less digits than its factorization.

56032947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20210 (or 20207 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 56032947 is about 7485.5158138902. The cubic root of 56032947 is about 382.6612520159.

The spelling of 56032947 in words is "fifty-six million, thirty-two thousand, nine hundred forty-seven".