56502918 has 24 divisors (see below), whose sum is σ = 122869656. Its totient is φ = 18765600.

The previous prime is 56502913. The next prime is 56502937. The reversal of 56502918 is 81920565.

It is a happy number.

56502918 is a `hidden beast` number, since 565 + 0 + 2 + 91 + 8 = 666.

56502918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56502913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 528 + ... + 10643.

It is an arithmetic number, because the mean of its divisors is an integer number (5119569).

Almost surely, 2^56502918 is an apocalyptic number.

56502918 is an abundant number, since it is smaller than the sum of its proper divisors (66366738).

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

56502918 is a wasteful number, since it uses less digits than its factorization.

56502918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11460 (or 11457 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 56502918 is about 7516.8422891531. The cubic root of 56502918 is about 383.7281197228.

The spelling of 56502918 in words is "fifty-six million, five hundred two thousand, nine hundred eighteen".