56108560842 has 80 divisors (see below), whose sum is σ = 126493927560. Its totient is φ = 18588745728.

The previous prime is 56108560801. The next prime is 56108560847. The reversal of 56108560842 is 24806580165.

56108560842 is a `hidden beast` number, since 5 + 6 + 1 + 0 + 8 + 560 + 84 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 42547725441 + 13560835401 = 206271^2 + 116451^2 .

It is not an unprimeable number, because it can be changed into a prime (56108560847) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 29025708 + ... + 29027640.

Almost surely, 2^56108560842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56108560842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63246963780).

56108560842 is an abundant number, since it is smaller than the sum of its proper divisors (70385366718).

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

56108560842 is a wasteful number, since it uses less digits than its factorization.

56108560842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949 (or 2940 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 56108560842 in words is "fifty-six billion, one hundred eight million, five hundred sixty thousand, eight hundred forty-two".