54522138 has 16 divisors (see below), whose sum is σ = 118957536. Its totient is φ = 16521840.

The previous prime is 54522133. The next prime is 54522173. The reversal of 54522138 is 83122545.

It is not an unprimeable number, because it can be changed into a prime (54522131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412981 + ... + 413112.

It is an arithmetic number, because the mean of its divisors is an integer number (7434846).

Almost surely, 2^54522138 is an apocalyptic number.

54522138 is an abundant number, since it is smaller than the sum of its proper divisors (64435398).

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

54522138 is a wasteful number, since it uses less digits than its factorization.

54522138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826109.

The product of its digits is 9600, while the sum is 30.

The square root of 54522138 is about 7383.9107524401. The cubic root of 54522138 is about 379.1906550911.

The spelling of 54522138 in words is "fifty-four million, five hundred twenty-two thousand, one hundred thirty-eight".