50666017 has 2 divisors, whose sum is σ = 50666018. Its totient is φ = 50666016.

The previous prime is 50665999. The next prime is 50666041. The reversal of 50666017 is 71066605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50637456 + 28561 = 7116^2 + 169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50666017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50666017.

It is not a weakly prime, because it can be changed into another prime (50666117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25333008 + 25333009.

It is an arithmetic number, because the mean of its divisors is an integer number (25333009).

Almost surely, 2^50666017 is an apocalyptic number.

It is an amenable number.

50666017 is a deficient number, since it is larger than the sum of its proper divisors (1).

50666017 is an equidigital number, since it uses as much as digits as its factorization.

50666017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 50666017 is about 7118.0065327309. The cubic root of 50666017 is about 370.0316919530.

The spelling of 50666017 in words is "fifty million, six hundred sixty-six thousand, seventeen".