56655312320 has 112 divisors (see below), whose sum is σ = 139414349568. Its totient is φ = 21907169280.

The previous prime is 56655312299. The next prime is 56655312323. The reversal of 56655312320 is 2321355665.

56655312320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56655312323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11078084 + ... + 11083196.

Almost surely, 2^56655312320 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 56655312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69707174784).

56655312320 is an abundant number, since it is smaller than the sum of its proper divisors (82759037248).

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

56655312320 is a wasteful number, since it uses less digits than its factorization.

56655312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6278 (or 6268 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 56655312320 its reverse (2321355665), we get a palindrome (58976667985).

The spelling of 56655312320 in words is "fifty-six billion, six hundred fifty-five million, three hundred twelve thousand, three hundred twenty".