50420717 has 2 divisors, whose sum is σ = 50420718. Its totient is φ = 50420716.

The previous prime is 50420701. The next prime is 50420719. The reversal of 50420717 is 71702405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33396841 + 17023876 = 5779^2 + 4126^2 .

It is a cyclic number.

It is not a de Polignac number, because 50420717 - 2⁴ = 50420701 is a prime.

Together with 50420719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50420719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25210358 + 25210359.

It is an arithmetic number, because the mean of its divisors is an integer number (25210359).

Almost surely, 2^50420717 is an apocalyptic number.

It is an amenable number.

50420717 is a deficient number, since it is larger than the sum of its proper divisors (1).

50420717 is an equidigital number, since it uses as much as digits as its factorization.

50420717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 50420717 is about 7100.7546782015. The cubic root of 50420717 is about 369.4335549724.

The spelling of 50420717 in words is "fifty million, four hundred twenty thousand, seven hundred seventeen".