171100055 has 16 divisors (see below), whose sum is σ = 235669824. Its totient is φ = 116816640.

The previous prime is 171100051. The next prime is 171100079. The reversal of 171100055 is 550001171.

It is not a de Polignac number, because 171100055 - 2² = 171100051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171100051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2336 + ... + 18645.

It is an arithmetic number, because the mean of its divisors is an integer number (14729364).

Almost surely, 2^171100055 is an apocalyptic number.

171100055 is a deficient number, since it is larger than the sum of its proper divisors (64569769).

171100055 is a wasteful number, since it uses less digits than its factorization.

171100055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21226.

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 171100055 is about 13080.5219697075. The cubic root of 171100055 is about 555.1581455557.

The spelling of 171100055 in words is "one hundred seventy-one million, one hundred thousand, fifty-five".