56507706 has 32 divisors (see below), whose sum is σ = 127132800. Its totient is φ = 18834444.

The previous prime is 56507701. The next prime is 56507707. The reversal of 56507706 is 60770565.

It is not an unprimeable number, because it can be changed into a prime (56507701) 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, 2086 + ... + 10833.

It is an arithmetic number, because the mean of its divisors is an integer number (3972900).

Almost surely, 2^56507706 is an apocalyptic number.

56507706 is an abundant number, since it is smaller than the sum of its proper divisors (70625094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56507706 is an equidigital number, since it uses as much as digits as its factorization.

56507706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12942 (or 12924 counting only the distinct ones).

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

The square root of 56507706 is about 7517.1607672046. The cubic root of 56507706 is about 383.7389583273.

The spelling of 56507706 in words is "fifty-six million, five hundred seven thousand, seven hundred six".