56356131056 has 20 divisors (see below), whose sum is σ = 112955177400. Its totient is φ = 27206407872.

The previous prime is 56356131053. The next prime is 56356131079. The reversal of 56356131056 is 65013165365.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56356131053) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 60728126 + ... + 60729053.

It is an arithmetic number, because the mean of its divisors is an integer number (5647758870).

Almost surely, 2^56356131056 is an apocalyptic number.

It is an amenable number.

56356131056 is an abundant number, since it is smaller than the sum of its proper divisors (56599046344).

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

56356131056 is a wasteful number, since it uses less digits than its factorization.

56356131056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121457216 (or 121457210 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 41.

The spelling of 56356131056 in words is "fifty-six billion, three hundred fifty-six million, one hundred thirty-one thousand, fifty-six".