56577406018 has 16 divisors (see below), whose sum is σ = 97069173120. Its totient is φ = 24227626176.

The previous prime is 56577406013. The next prime is 56577406049. The reversal of 56577406018 is 81060477565.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56577406013) 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, 1635063 + ... + 1669306.

It is an arithmetic number, because the mean of its divisors is an integer number (6066823320).

Almost surely, 2^56577406018 is an apocalyptic number.

56577406018 is a deficient number, since it is larger than the sum of its proper divisors (40491767102).

56577406018 is a wasteful number, since it uses less digits than its factorization.

56577406018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305601.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 56577406018 in words is "fifty-six billion, five hundred seventy-seven million, four hundred six thousand, eighteen".