56728911300 has 36 divisors (see below), whose sum is σ = 164135650896. Its totient is φ = 15127709600.

The previous prime is 56728911293. The next prime is 56728911329. The reversal of 56728911300 is 311982765.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94547886 + ... + 94548485.

It is an arithmetic number, because the mean of its divisors is an integer number (4559323636).

Almost surely, 2^56728911300 is an apocalyptic number.

56728911300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56728911300 is an abundant number, since it is smaller than the sum of its proper divisors (107406739596).

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

56728911300 is a wasteful number, since it uses less digits than its factorization.

56728911300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189096388 (or 189096381 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 56728911300 in words is "fifty-six billion, seven hundred twenty-eight million, nine hundred eleven thousand, three hundred".