50170129 has 2 divisors, whose sum is σ = 50170130. Its totient is φ = 50170128.

The previous prime is 50170117. The next prime is 50170139. The reversal of 50170129 is 92107105.

50170129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26501904 + 23668225 = 5148^2 + 4865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50170129 is a prime.

It is not a weakly prime, because it can be changed into another prime (50170139) 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, 25085064 + 25085065.

It is an arithmetic number, because the mean of its divisors is an integer number (25085065).

Almost surely, 2^50170129 is an apocalyptic number.

It is an amenable number.

50170129 is a deficient number, since it is larger than the sum of its proper divisors (1).

50170129 is an equidigital number, since it uses as much as digits as its factorization.

50170129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 50170129 is about 7083.0875329901. The cubic root of 50170129 is about 368.8205172426.

The spelling of 50170129 in words is "fifty million, one hundred seventy thousand, one hundred twenty-nine".