57216055110220 has 48 divisors (see below), whose sum is σ = 120373253431200. Its totient is φ = 22844607957504.

The previous prime is 57216055110089. The next prime is 57216055110311. The reversal of 57216055110220 is 2201155061275.

It is a self number, because there is not a number n which added to its sum of digits gives 57216055110220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475049647 + ... + 475170073.

It is an arithmetic number, because the mean of its divisors is an integer number (2507776113150).

Almost surely, 2^{57216055110220} is an apocalyptic number.

It is an amenable number.

57216055110220 is an abundant number, since it is smaller than the sum of its proper divisors (63157198320980).

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

57216055110220 is a wasteful number, since it uses less digits than its factorization.

57216055110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163642 (or 163640 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 37.

The spelling of 57216055110220 in words is "fifty-seven trillion, two hundred sixteen billion, fifty-five million, one hundred ten thousand, two hundred twenty".