54220937172 has 48 divisors (see below), whose sum is σ = 128287548480. Its totient is φ = 17820649728.

The previous prime is 54220937153. The next prime is 54220937191. The reversal of 54220937172 is 27173902245.

It is an interprime number because it is at equal distance from previous prime (54220937153) and next prime (54220937191).

It is a congruent number.

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, 3723618 + ... + 3738150.

It is an arithmetic number, because the mean of its divisors is an integer number (2672657260).

Almost surely, 2^54220937172 is an apocalyptic number.

It is an amenable number.

54220937172 is an abundant number, since it is smaller than the sum of its proper divisors (74066611308).

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

54220937172 is a wasteful number, since it uses less digits than its factorization.

54220937172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18872 (or 18870 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 54220937172 in words is "fifty-four billion, two hundred twenty million, nine hundred thirty-seven thousand, one hundred seventy-two".