56697502824 has 256 divisors, whose sum is σ = 171644928000. Its totient is φ = 17274850560.

The previous prime is 56697502819. The next prime is 56697502831. The reversal of 56697502824 is 42820579665.

56697502824 is a `hidden beast` number, since 56 + 6 + 9 + 7 + 502 + 82 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 77987949 + ... + 77988675.

It is an arithmetic number, because the mean of its divisors is an integer number (670488000).

Almost surely, 2^56697502824 is an apocalyptic number.

56697502824 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56697502824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85822464000).

56697502824 is an abundant number, since it is smaller than the sum of its proper divisors (114947425176).

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

56697502824 is a wasteful number, since it uses less digits than its factorization.

56697502824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 56697502824 in words is "fifty-six billion, six hundred ninety-seven million, five hundred two thousand, eight hundred twenty-four".