56231513620 has 24 divisors (see below), whose sum is σ = 118090927584. Its totient is φ = 22491700896.

The previous prime is 56231513609. The next prime is 56231513621. The reversal of 56231513620 is 2631513265.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56231513621) 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 7 ways as a sum of consecutive naturals, for example, 700387 + ... + 776533.

It is an arithmetic number, because the mean of its divisors is an integer number (4920455316).

Almost surely, 2^56231513620 is an apocalyptic number.

It is an amenable number.

56231513620 is an abundant number, since it is smaller than the sum of its proper divisors (61859413964).

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

56231513620 is a wasteful number, since it uses less digits than its factorization.

56231513620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113079 (or 113077 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 56231513620 in words is "fifty-six billion, two hundred thirty-one million, five hundred thirteen thousand, six hundred twenty".