56117901696 has 64 divisors (see below), whose sum is σ = 149087936880. Its totient is φ = 18702860288.

The previous prime is 56117901673. The next prime is 56117901757. The reversal of 56117901696 is 69610971165.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4239280 + ... + 4252496.

Almost surely, 2^56117901696 is an apocalyptic number.

It is an amenable number.

56117901696 is an abundant number, since it is smaller than the sum of its proper divisors (92970035184).

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

56117901696 is a wasteful number, since it uses less digits than its factorization.

56117901696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24291 (or 24279 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 51.

The spelling of 56117901696 in words is "fifty-six billion, one hundred seventeen million, nine hundred one thousand, six hundred ninety-six".