55538 has 8 divisors (see below), whose sum is σ = 95232. Its totient is φ = 23796.

The previous prime is 55529. The next prime is 55541. The reversal of 55538 is 83555.

55538 is nontrivially palindromic in base 12.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 55538.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1970 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (11904).

2⁵⁵⁵³⁸ is an apocalyptic number.

55538 is a deficient number, since it is larger than the sum of its proper divisors (39694).

55538 is a wasteful number, since it uses less digits than its factorization.

55538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3976.

The product of its digits is 3000, while the sum is 26.

The square root of 55538 is about 235.6650164959. The cubic root of 55538 is about 38.1531217761.

The spelling of 55538 in words is "fifty-five thousand, five hundred thirty-eight".