55187 has 8 divisors (see below), whose sum is σ = 62640. Its totient is φ = 48160.

The previous prime is 55171. The next prime is 55201. The reversal of 55187 is 78155.

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

It is a cyclic number.

It is not a de Polignac number, because 55187 - 2⁴ = 55171 is a prime.

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, 233 + ... + 405.

It is an arithmetic number, because the mean of its divisors is an integer number (7830).

2⁵⁵¹⁸⁷ is an apocalyptic number.

55187 is a deficient number, since it is larger than the sum of its proper divisors (7453).

55187 is a wasteful number, since it uses less digits than its factorization.

55187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its digits is 1400, while the sum is 26.

The square root of 55187 is about 234.9191350231. The cubic root of 55187 is about 38.0725759807.

It can be divided in two parts, 55 and 187, that added together give a palindrome (242).

The spelling of 55187 in words is "fifty-five thousand, one hundred eighty-seven".