56535577670 has 128 divisors (see below), whose sum is σ = 122049607680. Its totient is φ = 18583534080.

The previous prime is 56535577669. The next prime is 56535577733. The reversal of 56535577670 is 7677553565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24719267 + ... + 24721553.

It is an arithmetic number, because the mean of its divisors is an integer number (953512560).

Almost surely, 2^56535577670 is an apocalyptic number.

56535577670 is an abundant number, since it is smaller than the sum of its proper divisors (65514030010).

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

56535577670 is a wasteful number, since it uses less digits than its factorization.

56535577670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670.

The product of its (nonzero) digits is 23152500, while the sum is 56.

The spelling of 56535577670 in words is "fifty-six billion, five hundred thirty-five million, five hundred seventy-seven thousand, six hundred seventy".