56907851 has 32 divisors (see below), whose sum is σ = 77145600. Its totient is φ = 40538880.

The previous prime is 56907827. The next prime is 56907883. The reversal of 56907851 is 15870965.

It is a cyclic number.

It is not a de Polignac number, because 56907851 - 2¹⁰ = 56906827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56907799 and 56907808.

It is not an unprimeable number, because it can be changed into a prime (56907821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138935 + ... + 139343.

It is an arithmetic number, because the mean of its divisors is an integer number (2410800).

Almost surely, 2^56907851 is an apocalyptic number.

56907851 is a deficient number, since it is larger than the sum of its proper divisors (20237749).

56907851 is a wasteful number, since it uses less digits than its factorization.

56907851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 56907851 is about 7543.7292501786. The cubic root of 56907851 is about 384.6426120694.

The spelling of 56907851 in words is "fifty-six million, nine hundred seven thousand, eight hundred fifty-one".