56251936784 has 20 divisors (see below), whose sum is σ = 108994095360. Its totient is φ = 28124428320.

The previous prime is 56251936777. The next prime is 56251936789. The reversal of 56251936784 is 48763915265.

It is a super-2 number, since 2×56251936784² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56251936789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240857 + ... + 412935.

It is an arithmetic number, because the mean of its divisors is an integer number (5449704768).

Almost surely, 2^56251936784 is an apocalyptic number.

It is an amenable number.

56251936784 is a deficient number, since it is larger than the sum of its proper divisors (52742158576).

56251936784 is a wasteful number, since it uses less digits than its factorization.

56251936784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192518 (or 192512 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 56.

The spelling of 56251936784 in words is "fifty-six billion, two hundred fifty-one million, nine hundred thirty-six thousand, seven hundred eighty-four".