550171 has 4 divisors (see below), whose sum is σ = 582552. Its totient is φ = 517792.

The previous prime is 550169. The next prime is 550177. The reversal of 550171 is 171055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171055 = 5 ⋅34211.

It is a cyclic number.

It is not a de Polignac number, because 550171 - 2¹ = 550169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16165 + ... + 16198.

It is an arithmetic number, because the mean of its divisors is an integer number (145638).

2⁵⁵⁰¹⁷¹ is an apocalyptic number.

550171 is a deficient number, since it is larger than the sum of its proper divisors (32381).

550171 is a wasteful number, since it uses less digits than its factorization.

550171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32380.

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

The square root of 550171 is about 741.7351279264. The cubic root of 550171 is about 81.9406173279.

It can be divided in two parts, 5 and 50171, that added together give a square (50176 = 224²).

The spelling of 550171 in words is "five hundred fifty thousand, one hundred seventy-one".