56749576392 has 96 divisors (see below), whose sum is σ = 163343676600. Its totient is φ = 17737500672.

The previous prime is 56749576357. The next prime is 56749576399. The reversal of 56749576392 is 29367594765.

56749576392 is a `hidden beast` number, since 56 + 7 + 4 + 9 + 576 + 3 + 9 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 54725116356 + 2024460036 = 233934^2 + 44994^2 .

It is not an unprimeable number, because it can be changed into a prime (56749576399) 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, 243078 + ... + 415434.

Almost surely, 2^56749576392 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 56749576392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81671838300).

56749576392 is an abundant number, since it is smaller than the sum of its proper divisors (106594100208).

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

56749576392 is a wasteful number, since it uses less digits than its factorization.

56749576392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172655 (or 172648 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 63.

The spelling of 56749576392 in words is "fifty-six billion, seven hundred forty-nine million, five hundred seventy-six thousand, three hundred ninety-two".