194173055 has 4 divisors (see below), whose sum is σ = 233007672. Its totient is φ = 155338440.

The previous prime is 194173051. The next prime is 194173081. The reversal of 194173055 is 550371491.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 194173055 - 2² = 194173051 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 (194173051) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19417301 + ... + 19417310.

It is an arithmetic number, because the mean of its divisors is an integer number (58251918).

Almost surely, 2^194173055 is an apocalyptic number.

194173055 is a deficient number, since it is larger than the sum of its proper divisors (38834617).

194173055 is an equidigital number, since it uses as much as digits as its factorization.

194173055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38834616.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 194173055 is about 13934.5992048570. The cubic root of 194173055 is about 579.0681181000.

The spelling of 194173055 in words is "one hundred ninety-four million, one hundred seventy-three thousand, fifty-five".