56001100556 has 24 divisors (see below), whose sum is σ = 98728788816. Its totient is φ = 27793247040.

The previous prime is 56001100549. The next prime is 56001100559. The reversal of 56001100556 is 65500110065.

It is a super-2 number, since 2×56001100556² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56001100559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563870 + ... + 655706.

It is an arithmetic number, because the mean of its divisors is an integer number (4113699534).

Almost surely, 2^56001100556 is an apocalyptic number.

It is an amenable number.

56001100556 is a deficient number, since it is larger than the sum of its proper divisors (42727688260).

56001100556 is a wasteful number, since it uses less digits than its factorization.

56001100556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92969 (or 92967 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 56001100556 in words is "fifty-six billion, one million, one hundred thousand, five hundred fifty-six".