56911707 has 16 divisors (see below), whose sum is σ = 88752000. Its totient is φ = 35943912.

The previous prime is 56911703. The next prime is 56911709. The reversal of 56911707 is 70711965.

It is not a de Polignac number, because 56911707 - 2² = 56911703 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (56911703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54957 + ... + 55982.

It is an arithmetic number, because the mean of its divisors is an integer number (5547000).

Almost surely, 2^56911707 is an apocalyptic number.

56911707 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

56911707 is a deficient number, since it is larger than the sum of its proper divisors (31840293).

56911707 is a wasteful number, since it uses less digits than its factorization.

56911707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110967 (or 110961 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 36.

The square root of 56911707 is about 7543.9848223601. The cubic root of 56911707 is about 384.6512994965.

The spelling of 56911707 in words is "fifty-six million, nine hundred eleven thousand, seven hundred seven".