56642154016 has 24 divisors (see below), whose sum is σ = 127444847040. Its totient is φ = 24275208768.

The previous prime is 56642153969. The next prime is 56642154043. The reversal of 56642154016 is 61045124665.

It is a super-2 number, since 2×56642154016² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56642154016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126433156 + ... + 126433603.

It is an arithmetic number, because the mean of its divisors is an integer number (5310201960).

Almost surely, 2^56642154016 is an apocalyptic number.

56642154016 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56642154016 is an abundant number, since it is smaller than the sum of its proper divisors (70802693024).

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

56642154016 is a wasteful number, since it uses less digits than its factorization.

56642154016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252866776 (or 252866768 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 56642154016 in words is "fifty-six billion, six hundred forty-two million, one hundred fifty-four thousand, sixteen".