172055183 has 2 divisors, whose sum is σ = 172055184. Its totient is φ = 172055182.

The previous prime is 172055171. The next prime is 172055209. The reversal of 172055183 is 381550271.

It is a weak prime.

It is an emirp because it is prime and its reverse (381550271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172055183 - 2¹⁴ = 172038799 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172055483) 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 as a sum of consecutive naturals, namely, 86027591 + 86027592.

It is an arithmetic number, because the mean of its divisors is an integer number (86027592).

Almost surely, 2^172055183 is an apocalyptic number.

172055183 is a deficient number, since it is larger than the sum of its proper divisors (1).

172055183 is an equidigital number, since it uses as much as digits as its factorization.

172055183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 172055183 is about 13116.9807120389. The cubic root of 172055183 is about 556.1892449236.

The spelling of 172055183 in words is "one hundred seventy-two million, fifty-five thousand, one hundred eighty-three".