56320510620 has 96 divisors (see below), whose sum is σ = 172205429760. Its totient is φ = 13639816960.

The previous prime is 56320510613. The next prime is 56320510633. The reversal of 56320510620 is 2601502365.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 626461 + ... + 710699.

It is an arithmetic number, because the mean of its divisors is an integer number (1793806560).

Almost surely, 2^56320510620 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 56320510620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86102714880).

56320510620 is an abundant number, since it is smaller than the sum of its proper divisors (115884919140).

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

56320510620 is a wasteful number, since it uses less digits than its factorization.

56320510620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85275 (or 85273 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 56320510620 in words is "fifty-six billion, three hundred twenty million, five hundred ten thousand, six hundred twenty".