56564402112 has 140 divisors (see below), whose sum is σ = 168745027000. Its totient is φ = 18734436864.

The previous prime is 56564402053. The next prime is 56564402117. The reversal of 56564402112 is 21120446565.

56564402112 is a `hidden beast` number, since 5 + 6 + 5 + 644 + 0 + 2 + 1 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56564402117) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 779139 + ... + 848637.

Almost surely, 2^56564402112 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 56564402112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84372513500).

56564402112 is an abundant number, since it is smaller than the sum of its proper divisors (112180624888).

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

56564402112 is a wasteful number, since it uses less digits than its factorization.

56564402112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69680 (or 69661 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 56564402112 its reverse (21120446565), we get a palindrome (77684848677).

The spelling of 56564402112 in words is "fifty-six billion, five hundred sixty-four million, four hundred two thousand, one hundred twelve".