56569615080 has 192 divisors, whose sum is σ = 188014417920. Its totient is φ = 13605419520.

The previous prime is 56569615061. The next prime is 56569615087. The reversal of 56569615080 is 8051696565.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56569615087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1828702 + ... + 1859378.

It is an arithmetic number, because the mean of its divisors is an integer number (979241760).

Almost surely, 2^56569615080 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 56569615080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94007208960).

56569615080 is an abundant number, since it is smaller than the sum of its proper divisors (131444802840).

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

56569615080 is a wasteful number, since it uses less digits than its factorization.

56569615080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30840 (or 30825 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 56569615080 in words is "fifty-six billion, five hundred sixty-nine million, six hundred fifteen thousand, eighty".