56057657832 has 96 divisors (see below), whose sum is σ = 166223472480. Its totient is φ = 16925777280.

The previous prime is 56057657813. The next prime is 56057657839. The reversal of 56057657832 is 23875675065.

56057657832 is a `hidden beast` number, since 5 + 60 + 5 + 7 + 6 + 578 + 3 + 2 = 666.

It is a super-2 number, since 2×56057657832² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56057657839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91623 + ... + 347145.

It is an arithmetic number, because the mean of its divisors is an integer number (1731494505).

Almost surely, 2^56057657832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56057657832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83111736240).

56057657832 is an abundant number, since it is smaller than the sum of its proper divisors (110165814648).

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

56057657832 is a wasteful number, since it uses less digits than its factorization.

56057657832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255823 (or 255816 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 54.

The spelling of 56057657832 in words is "fifty-six billion, fifty-seven million, six hundred fifty-seven thousand, eight hundred thirty-two".