56518782080 has 384 divisors, whose sum is σ = 152693326800. Its totient is φ = 19964887040.

The previous prime is 56518782049. The next prime is 56518782091. The reversal of 56518782080 is 8028781565.

It can be written as a sum of positive squares in 24 ways, for example, as 4465446976 + 52053335104 = 66824^2 + 228152^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219917312 + ... + 219917568.

Almost surely, 2^56518782080 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 56518782080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76346663400).

56518782080 is an abundant number, since it is smaller than the sum of its proper divisors (96174544720).

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

56518782080 is a wasteful number, since it uses less digits than its factorization.

56518782080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 56518782080 in words is "fifty-six billion, five hundred eighteen million, seven hundred eighty-two thousand, eighty".