56586355144 has 16 divisors (see below), whose sum is σ = 115744817520. Its totient is φ = 25721070480.

The previous prime is 56586355129. The next prime is 56586355171. The reversal of 56586355144 is 44155368565.

It is a junction number, because it is equal to n+sod(n) for n = 56586355091 and 56586355100.

It is an unprimeable number.

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, 321513294 + ... + 321513469.

It is an arithmetic number, because the mean of its divisors is an integer number (7234051095).

Almost surely, 2^56586355144 is an apocalyptic number.

It is an amenable number.

56586355144 is an abundant number, since it is smaller than the sum of its proper divisors (59158462376).

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

56586355144 is a wasteful number, since it uses less digits than its factorization.

56586355144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643026780 (or 643026776 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 52.

The spelling of 56586355144 in words is "fifty-six billion, five hundred eighty-six million, three hundred fifty-five thousand, one hundred forty-four".