54138844 has 24 divisors (see below), whose sum is σ = 98656208. Its totient is φ = 25971840.

The previous prime is 54138823. The next prime is 54138857. The reversal of 54138844 is 44883145.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8299 + ... + 13309.

Almost surely, 2^54138844 is an apocalyptic number.

It is an amenable number.

54138844 is a deficient number, since it is larger than the sum of its proper divisors (44517364).

54138844 is a wasteful number, since it uses less digits than its factorization.

54138844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125 (or 5123 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 54138844 is about 7357.9103011657. The cubic root of 54138844 is about 378.2999867539.

The spelling of 54138844 in words is "fifty-four million, one hundred thirty-eight thousand, eight hundred forty-four".