56571776352 has 792 divisors, whose sum is σ = 213740112096. Its totient is φ = 14602581504.

The previous prime is 56571776291. The next prime is 56571776363. The reversal of 56571776352 is 25367717565.

56571776352 is a `hidden beast` number, since 5 + 6 + 571 + 7 + 7 + 63 + 5 + 2 = 666.

56571776352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

Its product of digits (9261000) is a multiple of the sum of its prime divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 131 ways as a sum of consecutive naturals, for example, 1203654793 + ... + 1203654839.

Almost surely, 2^56571776352 is an apocalyptic number.

56571776352 is a gapful number since it is divisible by the number (52) 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 56571776352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106870056048).

56571776352 is an abundant number, since it is smaller than the sum of its proper divisors (157168335744).

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

56571776352 is an equidigital number, since it uses as much as digits as its factorization.

56571776352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 72 counting only the distinct ones).

The product of its digits is 9261000, while the sum is 54.

The spelling of 56571776352 in words is "fifty-six billion, five hundred seventy-one million, seven hundred seventy-six thousand, three hundred fifty-two".