54531904 has 42 divisors (see below), whose sum is σ = 125886210. Its totient is φ = 23369472.

The previous prime is 54531899. The next prime is 54531943. The reversal of 54531904 is 40913545.

It can be written as a sum of positive squares in only one way, i.e., 49000000 + 5531904 = 7000^2 + 2352^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5559 + ... + 11830.

Almost surely, 2^54531904 is an apocalyptic number.

It is an amenable number.

54531904 is an abundant number, since it is smaller than the sum of its proper divisors (71354306).

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

54531904 is a wasteful number, since it uses less digits than its factorization.

54531904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17415 (or 17398 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 54531904 is about 7384.5720255137. The cubic root of 54531904 is about 379.2132939371.

The spelling of 54531904 in words is "fifty-four million, five hundred thirty-one thousand, nine hundred four".