56616032380 has 12 divisors (see below), whose sum is σ = 118893668040. Its totient is φ = 22646412944.

The previous prime is 56616032377. The next prime is 56616032381. The reversal of 56616032380 is 8323061665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56616032381) 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, 1415400790 + ... + 1415400829.

It is an arithmetic number, because the mean of its divisors is an integer number (9907805670).

Almost surely, 2^56616032380 is an apocalyptic number.

It is an amenable number.

56616032380 is an abundant number, since it is smaller than the sum of its proper divisors (62277635660).

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

56616032380 is a wasteful number, since it uses less digits than its factorization.

56616032380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830801628 (or 2830801626 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 56616032380 in words is "fifty-six billion, six hundred sixteen million, thirty-two thousand, three hundred eighty".