56117100556 has 24 divisors (see below), whose sum is σ = 107262259776. Its totient is φ = 25476912720.

The previous prime is 56117100527. The next prime is 56117100569. The reversal of 56117100556 is 65500171165.

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, 734706 + ... + 807481.

It is an arithmetic number, because the mean of its divisors is an integer number (4469260824).

Almost surely, 2^56117100556 is an apocalyptic number.

It is an amenable number.

56117100556 is a deficient number, since it is larger than the sum of its proper divisors (51145159220).

56117100556 is a wasteful number, since it uses less digits than its factorization.

56117100556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543029 (or 1543027 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 56117100556 in words is "fifty-six billion, one hundred seventeen million, one hundred thousand, five hundred fifty-six".