56331655523 has 16 divisors (see below), whose sum is σ = 66246393696. Its totient is φ = 47223786240.

The previous prime is 56331655517. The next prime is 56331655537. The reversal of 56331655523 is 32555613365.

56331655523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56331655523 - 2¹⁴ = 56331639139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56331655553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54986 + ... + 340127.

It is an arithmetic number, because the mean of its divisors is an integer number (4140399606).

Almost surely, 2^56331655523 is an apocalyptic number.

56331655523 is a deficient number, since it is larger than the sum of its proper divisors (9914738173).

56331655523 is a wasteful number, since it uses less digits than its factorization.

56331655523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396134.

The product of its digits is 1215000, while the sum is 44.

The spelling of 56331655523 in words is "fifty-six billion, three hundred thirty-one million, six hundred fifty-five thousand, five hundred twenty-three".