56522886 has 16 divisors (see below), whose sum is σ = 129195264. Its totient is φ = 16149384.

The previous prime is 56522863. The next prime is 56522897. The reversal of 56522886 is 68822565.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1345783 = 56522886 / (5 + 6 + 5 + 2 + 2 + 8 + 8 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672850 + ... + 672933.

It is an arithmetic number, because the mean of its divisors is an integer number (8074704).

Almost surely, 2^56522886 is an apocalyptic number.

56522886 is an abundant number, since it is smaller than the sum of its proper divisors (72672378).

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

56522886 is a wasteful number, since it uses less digits than its factorization.

56522886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345795.

The product of its digits is 230400, while the sum is 42.

The square root of 56522886 is about 7518.1703891306. The cubic root of 56522886 is about 383.7733172744.

The spelling of 56522886 in words is "fifty-six million, five hundred twenty-two thousand, eight hundred eighty-six".