171711055 has 4 divisors (see below), whose sum is σ = 206053272. Its totient is φ = 137368840.

The previous prime is 171711041. The next prime is 171711061. The reversal of 171711055 is 550117171.

171711055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550117171 = 19249 ⋅28579.

It is not a de Polignac number, because 171711055 - 2⁷ = 171710927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17171101 + ... + 17171110.

It is an arithmetic number, because the mean of its divisors is an integer number (51513318).

Almost surely, 2^171711055 is an apocalyptic number.

171711055 is a deficient number, since it is larger than the sum of its proper divisors (34342217).

171711055 is an equidigital number, since it uses as much as digits as its factorization.

171711055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34342216.

The product of its (nonzero) digits is 1225, while the sum is 28.

The square root of 171711055 is about 13103.8564934144. The cubic root of 171711055 is about 555.8181855966.

The spelling of 171711055 in words is "one hundred seventy-one million, seven hundred eleven thousand, fifty-five".