55238 has 8 divisors (see below), whose sum is σ = 84240. Its totient is φ = 27160.

The previous prime is 55229. The next prime is 55243. The reversal of 55238 is 83255.

55238 is nontrivially palindromic in base 12.

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

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

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, 53 + ... + 336.

It is an arithmetic number, because the mean of its divisors is an integer number (10530).

2⁵⁵²³⁸ is an apocalyptic number.

55238 is a deficient number, since it is larger than the sum of its proper divisors (29002).

55238 is a wasteful number, since it uses less digits than its factorization.

55238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

The product of its digits is 1200, while the sum is 23.

The square root of 55238 is about 235.0276579469. The cubic root of 55238 is about 38.0843003817.

The spelling of 55238 in words is "fifty-five thousand, two hundred thirty-eight".