55190 has 8 divisors (see below), whose sum is σ = 99360. Its totient is φ = 22072.

The previous prime is 55171. The next prime is 55201. The reversal of 55190 is 9155.

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

It is a super-2 number, since 2×55190² = 6091872200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

55190 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, 2750 + ... + 2769.

It is an arithmetic number, because the mean of its divisors is an integer number (12420).

2⁵⁵¹⁹⁰ is an apocalyptic number.

55190 is a deficient number, since it is larger than the sum of its proper divisors (44170).

55190 is a wasteful number, since it uses less digits than its factorization.

55190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 55190 is about 234.9255201122. The cubic root of 55190 is about 38.0732658513.

The spelling of 55190 in words is "fifty-five thousand, one hundred ninety".