56580451236 has 72 divisors (see below), whose sum is σ = 149878161440. Its totient is φ = 18458792784.

The previous prime is 56580451181. The next prime is 56580451259. The reversal of 56580451236 is 63215408565.

56580451236 is a `hidden beast` number, since 5 + 6 + 580 + 45 + 1 + 23 + 6 = 666.

56580451236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56580451191 and 56580451200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119991 + ... + 357153.

Almost surely, 2^56580451236 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 56580451236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74939080720).

56580451236 is an abundant number, since it is smaller than the sum of its proper divisors (93297710204).

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

56580451236 is a wasteful number, since it uses less digits than its factorization.

56580451236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237270 (or 237215 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 56580451236 in words is "fifty-six billion, five hundred eighty million, four hundred fifty-one thousand, two hundred thirty-six".