56451019368 has 32 divisors (see below), whose sum is σ = 141133687200. Its totient is φ = 18816187968.

The previous prime is 56451019337. The next prime is 56451019379. The reversal of 56451019368 is 86391015465.

It is a super-2 number, since 2×56451019368² (a number of 22 digits) contains 22 as substring.

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, 803478 + ... + 870906.

It is an arithmetic number, because the mean of its divisors is an integer number (4410427725).

Almost surely, 2^56451019368 is an apocalyptic number.

It is an amenable number.

56451019368 is an abundant number, since it is smaller than the sum of its proper divisors (84682667832).

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

56451019368 is a wasteful number, since it uses less digits than its factorization.

56451019368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102321 (or 102317 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 56451019368 in words is "fifty-six billion, four hundred fifty-one million, nineteen thousand, three hundred sixty-eight".