172107055 has 8 divisors (see below), whose sum is σ = 206601552. Its totient is φ = 137636928.

The previous prime is 172107041. The next prime is 172107079. The reversal of 172107055 is 550701271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172107055 - 2¹¹ = 172105007 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 7 ways as a sum of consecutive naturals, for example, 18424 + ... + 26146.

It is an arithmetic number, because the mean of its divisors is an integer number (25825194).

Almost surely, 2^172107055 is an apocalyptic number.

172107055 is a deficient number, since it is larger than the sum of its proper divisors (34494497).

172107055 is an equidigital number, since it uses as much as digits as its factorization.

172107055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12185.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 172107055 is about 13118.9578473292. The cubic root of 172107055 is about 556.2451334843.

The spelling of 172107055 in words is "one hundred seventy-two million, one hundred seven thousand, fifty-five".