54539172 has 36 divisors (see below), whose sum is σ = 138116160. Its totient is φ = 18146352.

The previous prime is 54539167. The next prime is 54539183. The reversal of 54539172 is 27193545.

54539172 is a `hidden beast` number, since 54 + 539 + 1 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 25729 + ... + 27767.

It is an arithmetic number, because the mean of its divisors is an integer number (3836560).

Almost surely, 2^54539172 is an apocalyptic number.

It is an amenable number.

54539172 is an abundant number, since it is smaller than the sum of its proper divisors (83576988).

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

54539172 is a wasteful number, since it uses less digits than its factorization.

54539172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792 (or 2787 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 54539172 is about 7385.0641161739. The cubic root of 54539172 is about 379.2301403431.

The spelling of 54539172 in words is "fifty-four million, five hundred thirty-nine thousand, one hundred seventy-two".