179997055 has 16 divisors (see below), whose sum is σ = 255366720. Its totient is φ = 119169792.

The previous prime is 179997043. The next prime is 179997061. The reversal of 179997055 is 550799971.

It is a happy number.

It is not a de Polignac number, because 179997055 - 2¹⁵ = 179964287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 179996993 and 179997011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87654 + ... + 89683.

It is an arithmetic number, because the mean of its divisors is an integer number (15960420).

Almost surely, 2^179997055 is an apocalyptic number.

179997055 is a deficient number, since it is larger than the sum of its proper divisors (75369665).

179997055 is a wasteful number, since it uses less digits than its factorization.

179997055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177378.

The product of its (nonzero) digits is 893025, while the sum is 52.

The square root of 179997055 is about 13416.2981108799. The cubic root of 179997055 is about 564.6185380328.

The spelling of 179997055 in words is "one hundred seventy-nine million, nine hundred ninety-seven thousand, fifty-five".