56566273104 has 160 divisors (see below), whose sum is σ = 181914487680. Its totient is φ = 16677964800.

The previous prime is 56566273079. The next prime is 56566273123. The reversal of 56566273104 is 40137266565.

56566273104 is a `hidden beast` number, since 5 + 6 + 5 + 6 + 627 + 3 + 10 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56566273104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14964 + ... + 336684.

It is an arithmetic number, because the mean of its divisors is an integer number (1136965548).

Almost surely, 2^56566273104 is an apocalyptic number.

56566273104 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56566273104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90957243840).

56566273104 is an abundant number, since it is smaller than the sum of its proper divisors (125348214576).

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

56566273104 is a wasteful number, since it uses less digits than its factorization.

56566273104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321786 (or 321774 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 56566273104 in words is "fifty-six billion, five hundred sixty-six million, two hundred seventy-three thousand, one hundred four".