56907807 has 16 divisors (see below), whose sum is σ = 83912448. Its totient is φ = 34015680.

The previous prime is 56907803. The next prime is 56907821. The reversal of 56907807 is 70870965.

56907807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56907807 - 2² = 56907803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56907803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9403 + ... + 14220.

It is an arithmetic number, because the mean of its divisors is an integer number (5244528).

Almost surely, 2^56907807 is an apocalyptic number.

56907807 is a deficient number, since it is larger than the sum of its proper divisors (27004641).

56907807 is a wasteful number, since it uses less digits than its factorization.

56907807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23710.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 56907807 is about 7543.7263338485. The cubic root of 56907807 is about 384.6425129368.

The spelling of 56907807 in words is "fifty-six million, nine hundred seven thousand, eight hundred seven".