55118 has 16 divisors (see below), whose sum is σ = 98304. Its totient is φ = 22680.

The previous prime is 55117. The next prime is 55127. The reversal of 55118 is 81155.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371 + ... + 497.

It is an arithmetic number, because the mean of its divisors is an integer number (6144).

2⁵⁵¹¹⁸ is an apocalyptic number.

55118 is a deficient number, since it is larger than the sum of its proper divisors (43186).

55118 is a wasteful number, since it uses less digits than its factorization.

55118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167.

The product of its digits is 200, while the sum is 20.

The square root of 55118 is about 234.7722300444. The cubic root of 55118 is about 38.0567020530.

The spelling of 55118 in words is "fifty-five thousand, one hundred eighteen".