56668523292 has 24 divisors (see below), whose sum is σ = 146918394000. Its totient is φ = 18889507728.

The previous prime is 56668523273. The next prime is 56668523339. The reversal of 56668523292 is 29232586665.

It is a super-2 number, since 2×56668523292² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 262354167 + ... + 262354382.

It is an arithmetic number, because the mean of its divisors is an integer number (6121599750).

Almost surely, 2^56668523292 is an apocalyptic number.

It is an amenable number.

56668523292 is an abundant number, since it is smaller than the sum of its proper divisors (90249870708).

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

56668523292 is a wasteful number, since it uses less digits than its factorization.

56668523292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524708562 (or 524708554 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 56668523292 in words is "fifty-six billion, six hundred sixty-eight million, five hundred twenty-three thousand, two hundred ninety-two".