56787086 has 16 divisors (see below), whose sum is σ = 89923200. Its totient is φ = 26821368.

The previous prime is 56787083. The next prime is 56787097. The reversal of 56787086 is 68078765.

It is a self number, because there is not a number n which added to its sum of digits gives 56787086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56787083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12431 + ... + 16373.

It is an arithmetic number, because the mean of its divisors is an integer number (5620200).

Almost surely, 2^56787086 is an apocalyptic number.

56787086 is a deficient number, since it is larger than the sum of its proper divisors (33136114).

56787086 is a wasteful number, since it uses less digits than its factorization.

56787086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 56787086 is about 7535.7206689208. The cubic root of 56787086 is about 384.3703341007.

The spelling of 56787086 in words is "fifty-six million, seven hundred eighty-seven thousand, eighty-six".