56451913532928 has 120 divisors (see below), whose sum is σ = 168542115627600. Its totient is φ = 18168431898624.

The previous prime is 56451913532923. The next prime is 56451913532929. The reversal of 56451913532928 is 82923531915465.

56451913532928 is a `hidden beast` number, since 5 + 6 + 4 + 5 + 1 + 9 + 1 + 3 + 532 + 92 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56451913532923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211087908 + ... + 211355171.

It is an arithmetic number, because the mean of its divisors is an integer number (1404517630230).

Almost surely, 2^{56451913532928} is an apocalyptic number.

56451913532928 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

56451913532928 is an abundant number, since it is smaller than the sum of its proper divisors (112090202094672).

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

56451913532928 is a wasteful number, since it uses less digits than its factorization.

56451913532928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422443132 (or 422443113 counting only the distinct ones).

The product of its digits is 69984000, while the sum is 63.

The spelling of 56451913532928 in words is "fifty-six trillion, four hundred fifty-one billion, nine hundred thirteen million, five hundred thirty-two thousand, nine hundred twenty-eight".