50420171 has 2 divisors, whose sum is σ = 50420172. Its totient is φ = 50420170.

The previous prime is 50420131. The next prime is 50420173. The reversal of 50420171 is 17102405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50420171 - 2⁶ = 50420107 is a prime.

Together with 50420173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50420173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25210085 + 25210086.

It is an arithmetic number, because the mean of its divisors is an integer number (25210086).

Almost surely, 2^50420171 is an apocalyptic number.

50420171 is a deficient number, since it is larger than the sum of its proper divisors (1).

50420171 is an equidigital number, since it uses as much as digits as its factorization.

50420171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 50420171 is about 7100.7162314798. The cubic root of 50420171 is about 369.4322214502.

Adding to 50420171 its reverse (17102405), we get a palindrome (67522576).

The spelling of 50420171 in words is "fifty million, four hundred twenty thousand, one hundred seventy-one".