56540790 has 24 divisors (see below), whose sum is σ = 147006288. Its totient is φ = 15077520.

The previous prime is 56540777. The next prime is 56540791. The reversal of 56540790 is 9704565.

56540790 is a `hidden beast` number, since 565 + 4 + 0 + 7 + 90 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56540791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314026 + ... + 314205.

It is an arithmetic number, because the mean of its divisors is an integer number (6125262).

Almost surely, 2^56540790 is an apocalyptic number.

56540790 is an abundant number, since it is smaller than the sum of its proper divisors (90465498).

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

56540790 is a wasteful number, since it uses less digits than its factorization.

56540790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628244 (or 628241 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 56540790 is about 7519.3610100859. The cubic root of 56540790 is about 383.8138339135.

The spelling of 56540790 in words is "fifty-six million, five hundred forty thousand, seven hundred ninety".