50409017 has 2 divisors, whose sum is σ = 50409018. Its totient is φ = 50409016.

The previous prime is 50409011. The next prime is 50409041. The reversal of 50409017 is 71090405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50282281 + 126736 = 7091^2 + 356^2 .

It is a cyclic number.

It is not a de Polignac number, because 50409017 - 2⁴ = 50409001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50409011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25204508 + 25204509.

It is an arithmetic number, because the mean of its divisors is an integer number (25204509).

Almost surely, 2^50409017 is an apocalyptic number.

It is an amenable number.

50409017 is a deficient number, since it is larger than the sum of its proper divisors (1).

50409017 is an equidigital number, since it uses as much as digits as its factorization.

50409017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 50409017 is about 7099.9307743104. The cubic root of 50409017 is about 369.4049773875.

The spelling of 50409017 in words is "fifty million, four hundred nine thousand, seventeen".