54438538 has 32 divisors (see below), whose sum is σ = 103057920. Its totient is φ = 20949360.

The previous prime is 54438523. The next prime is 54438563. The reversal of 54438538 is 83583445.

It is a self number, because there is not a number n which added to its sum of digits gives 54438538.

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, 10653 + ... + 14911.

It is an arithmetic number, because the mean of its divisors is an integer number (3220560).

Almost surely, 2^54438538 is an apocalyptic number.

54438538 is a deficient number, since it is larger than the sum of its proper divisors (48619382).

54438538 is a wasteful number, since it uses less digits than its factorization.

54438538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362.

The product of its digits is 230400, while the sum is 40.

The square root of 54438538 is about 7378.2476239281. The cubic root of 54438538 is about 378.9967488112.

The spelling of 54438538 in words is "fifty-four million, four hundred thirty-eight thousand, five hundred thirty-eight".