192172055 has 4 divisors (see below), whose sum is σ = 230606472. Its totient is φ = 153737640.

The previous prime is 192172051. The next prime is 192172091. The reversal of 192172055 is 550271291.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550271291 = 41 ⋅13421251.

It is not a de Polignac number, because 192172055 - 2² = 192172051 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 (192172051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19217201 + ... + 19217210.

It is an arithmetic number, because the mean of its divisors is an integer number (57651618).

Almost surely, 2^192172055 is an apocalyptic number.

192172055 is a deficient number, since it is larger than the sum of its proper divisors (38434417).

192172055 is an equidigital number, since it uses as much as digits as its factorization.

192172055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38434416.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 192172055 is about 13862.6135703193. The cubic root of 192172055 is about 577.0721004589.

The spelling of 192172055 in words is "one hundred ninety-two million, one hundred seventy-two thousand, fifty-five".