56159386584 has 128 divisors (see below), whose sum is σ = 162139622400. Its totient is φ = 15877992960.

The previous prime is 56159386571. The next prime is 56159386643. The reversal of 56159386584 is 48568395165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6420454 + ... + 6429194.

It is an arithmetic number, because the mean of its divisors is an integer number (1266715800).

Almost surely, 2^56159386584 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 56159386584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81069811200).

56159386584 is an abundant number, since it is smaller than the sum of its proper divisors (105980235816).

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

56159386584 is a wasteful number, since it uses less digits than its factorization.

56159386584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9153 (or 9149 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 60.

The spelling of 56159386584 in words is "fifty-six billion, one hundred fifty-nine million, three hundred eighty-six thousand, five hundred eighty-four".