170055 has 12 divisors (see below), whose sum is σ = 294840. Its totient is φ = 90672.

The previous prime is 170047. The next prime is 170057. The reversal of 170055 is 550071.

It is a happy number.

It is not a de Polignac number, because 170055 - 2³ = 170047 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 170055.

It is not an unprimeable number, because it can be changed into a prime (170057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1845 + ... + 1934.

It is an arithmetic number, because the mean of its divisors is an integer number (24570).

2¹⁷⁰⁰⁵⁵ is an apocalyptic number.

170055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

170055 is a deficient number, since it is larger than the sum of its proper divisors (124785).

170055 is a wasteful number, since it uses less digits than its factorization.

170055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3790 (or 3787 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The square root of 170055 is about 412.3772544649. The cubic root of 170055 is about 55.4025560646.

The spelling of 170055 in words is "one hundred seventy thousand, fifty-five".