56821215048 has 32 divisors (see below), whose sum is σ = 152980195200. Its totient is φ = 17483450688.

The previous prime is 56821214969. The next prime is 56821215067. The reversal of 56821215048 is 84051212865.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91059328 + ... + 91059951.

It is an arithmetic number, because the mean of its divisors is an integer number (4780631100).

Almost surely, 2^56821215048 is an apocalyptic number.

It is an amenable number.

56821215048 is an abundant number, since it is smaller than the sum of its proper divisors (96158980152).

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

56821215048 is a wasteful number, since it uses less digits than its factorization.

56821215048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182119301 (or 182119297 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 56821215048 in words is "fifty-six billion, eight hundred twenty-one million, two hundred fifteen thousand, forty-eight".