56522478 has 32 divisors (see below), whose sum is σ = 115483680. Its totient is φ = 18437760.

The previous prime is 56522449. The next prime is 56522489. The reversal of 56522478 is 87422565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142176 + ... + 142572.

It is an arithmetic number, because the mean of its divisors is an integer number (3608865).

Almost surely, 2^56522478 is an apocalyptic number.

56522478 is an abundant number, since it is smaller than the sum of its proper divisors (58961202).

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

56522478 is a wasteful number, since it uses less digits than its factorization.

56522478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852.

The product of its digits is 134400, while the sum is 39.

The square root of 56522478 is about 7518.1432548203. The cubic root of 56522478 is about 383.7723938733.

The spelling of 56522478 in words is "fifty-six million, five hundred twenty-two thousand, four hundred seventy-eight".