172182055 has 16 divisors (see below), whose sum is σ = 209659680. Its totient is φ = 135733248.

The previous prime is 172182013. The next prime is 172182067. The reversal of 172182055 is 550281271.

It is a cyclic number.

It is not a de Polignac number, because 172182055 - 2⁷ = 172181927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108256 + ... + 109834.

It is an arithmetic number, because the mean of its divisors is an integer number (13103730).

Almost surely, 2^172182055 is an apocalyptic number.

172182055 is a deficient number, since it is larger than the sum of its proper divisors (37477625).

172182055 is a wasteful number, since it uses less digits than its factorization.

172182055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 172182055 is about 13121.8159947471. The cubic root of 172182055 is about 556.3259210432.

The spelling of 172182055 in words is "one hundred seventy-two million, one hundred eighty-two thousand, fifty-five".