54422172 has 48 divisors (see below), whose sum is σ = 161253120. Its totient is φ = 15548976.

The previous prime is 54422161. The next prime is 54422189. The reversal of 54422172 is 27122445.

54422172 is a `hidden beast` number, since 5 + 442 + 217 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 35238 + ... + 36749.

It is an arithmetic number, because the mean of its divisors is an integer number (3359440).

Almost surely, 2^54422172 is an apocalyptic number.

It is an amenable number.

54422172 is an abundant number, since it is smaller than the sum of its proper divisors (106830948).

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

54422172 is a wasteful number, since it uses less digits than its factorization.

54422172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72007 (or 71999 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 54422172 is about 7377.1384696236. The cubic root of 54422172 is about 378.9587654102.

The spelling of 54422172 in words is "fifty-four million, four hundred twenty-two thousand, one hundred seventy-two".