55086 has 8 divisors (see below), whose sum is σ = 110184. Its totient is φ = 18360.

The previous prime is 55079. The next prime is 55103. The reversal of 55086 is 68055.

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

55086 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

55086 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4585 + ... + 4596.

It is an arithmetic number, because the mean of its divisors is an integer number (13773).

2⁵⁵⁰⁸⁶ is an apocalyptic number.

55086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55092).

55086 is a wasteful number, since it uses less digits than its factorization.

55086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9186.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 55086 is about 234.7040689890. The cubic root of 55086 is about 38.0493357346.

It can be divided in two parts, 550 and 86, that added together give a palindrome (636).

The spelling of 55086 in words is "fifty-five thousand, eighty-six".