56971089 has 12 divisors (see below), whose sum is σ = 94047616. Its totient is φ = 32554872.

The previous prime is 56971081. The next prime is 56971111. The reversal of 56971089 is 98017965.

56971089 is a `hidden beast` number, since 569 + 7 + 1 + 0 + 89 = 666.

It is not a de Polignac number, because 56971089 - 2³ = 56971081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56971081) 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, 452089 + ... + 452214.

Almost surely, 2^56971089 is an apocalyptic number.

It is an amenable number.

56971089 is a deficient number, since it is larger than the sum of its proper divisors (37076527).

56971089 is a wasteful number, since it uses less digits than its factorization.

56971089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904316 (or 904313 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 56971089 is about 7547.9195146742. The cubic root of 56971089 is about 384.7850354476.

It can be divided in two parts, 5697 and 1089, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 56971089 in words is "fifty-six million, nine hundred seventy-one thousand, eighty-nine".