55171 has 2 divisors, whose sum is σ = 55172. Its totient is φ = 55170.

The previous prime is 55163. The next prime is 55201. The reversal of 55171 is 17155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55171 - 2³ = 55163 is a prime.

It is not a weakly prime, because it can be changed into another prime (55871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27585 + 27586.

It is an arithmetic number, because the mean of its divisors is an integer number (27586).

2⁵⁵¹⁷¹ is an apocalyptic number.

55171 is a deficient number, since it is larger than the sum of its proper divisors (1).

55171 is an equidigital number, since it uses as much as digits as its factorization.

55171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 175, while the sum is 19.

The square root of 55171 is about 234.8850782830. The cubic root of 55171 is about 38.0688962488.

The spelling of 55171 in words is "fifty-five thousand, one hundred seventy-one".