54521872 has 20 divisors (see below), whose sum is σ = 106340416. Its totient is φ = 27079200.

The previous prime is 54521869. The next prime is 54521881. The reversal of 54521872 is 27812545.

It is a happy number.

54521872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8868 + ... + 13699.

Almost surely, 2^54521872 is an apocalyptic number.

It is an amenable number.

54521872 is a deficient number, since it is larger than the sum of its proper divisors (51818544).

54521872 is a wasteful number, since it uses less digits than its factorization.

54521872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22726 (or 22720 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 54521872 is about 7383.8927402827. The cubic root of 54521872 is about 379.1900384311.

The spelling of 54521872 in words is "fifty-four million, five hundred twenty-one thousand, eight hundred seventy-two".