56605846220 has 288 divisors, whose sum is σ = 158490984960. Its totient is φ = 16494428160.

The previous prime is 56605846163. The next prime is 56605846249. The reversal of 56605846220 is 2264850665.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 85896251 + ... + 85896909.

It is an arithmetic number, because the mean of its divisors is an integer number (550315920).

Almost surely, 2^56605846220 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 56605846220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79245492480).

56605846220 is an abundant number, since it is smaller than the sum of its proper divisors (101885138740).

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

56605846220 is a wasteful number, since it uses less digits than its factorization.

56605846220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 56605846220 in words is "fifty-six billion, six hundred five million, eight hundred forty-six thousand, two hundred twenty".