56021536460 has 24 divisors (see below), whose sum is σ = 120824828880. Its totient is φ = 21802976064.

The previous prime is 56021536433. The next prime is 56021536477. The reversal of 56021536460 is 6463512065.

It is a happy 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, 37851650 + ... + 37853129.

It is an arithmetic number, because the mean of its divisors is an integer number (5034367870).

Almost surely, 2^56021536460 is an apocalyptic number.

It is an amenable number.

56021536460 is an abundant number, since it is smaller than the sum of its proper divisors (64803292420).

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

56021536460 is a wasteful number, since it uses less digits than its factorization.

56021536460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75704825 (or 75704823 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 56021536460 in words is "fifty-six billion, twenty-one million, five hundred thirty-six thousand, four hundred sixty".