56575486668 has 24 divisors (see below), whose sum is σ = 139774732272. Its totient is φ = 17749172224.

The previous prime is 56575486663. The next prime is 56575486703. The reversal of 56575486668 is 86668457565.

It is a junction number, because it is equal to n+sod(n) for n = 56575486599 and 56575486608.

It is not an unprimeable number, because it can be changed into a prime (56575486663) 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, 138665205 + ... + 138665612.

It is an arithmetic number, because the mean of its divisors is an integer number (5823947178).

Almost surely, 2^56575486668 is an apocalyptic number.

It is an amenable number.

56575486668 is an abundant number, since it is smaller than the sum of its proper divisors (83199245604).

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

56575486668 is a wasteful number, since it uses less digits than its factorization.

56575486668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277330841 (or 277330839 counting only the distinct ones).

The product of its digits is 290304000, while the sum is 66.

The spelling of 56575486668 in words is "fifty-six billion, five hundred seventy-five million, four hundred eighty-six thousand, six hundred sixty-eight".