55185 has 16 divisors (see below), whose sum is σ = 95424. Its totient is φ = 27072.

The previous prime is 55171. The next prime is 55201. The reversal of 55185 is 58155.

It is not a de Polignac number, because 55185 - 2⁷ = 55057 is a prime.

55185 is a modest number, since divided by 185 gives 55 as remainder.

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, 54 + ... + 336.

It is an arithmetic number, because the mean of its divisors is an integer number (5964).

2⁵⁵¹⁸⁵ is an apocalyptic number.

It is an amenable number.

55185 is a deficient number, since it is larger than the sum of its proper divisors (40239).

55185 is a wasteful number, since it uses less digits than its factorization.

55185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304.

The product of its digits is 1000, while the sum is 24.

The square root of 55185 is about 234.9148782006. The cubic root of 55185 is about 38.0721160532.

It can be divided in two parts, 551 and 85, that added together give a palindrome (636).

The spelling of 55185 in words is "fifty-five thousand, one hundred eighty-five".