50320217 has 2 divisors, whose sum is σ = 50320218. Its totient is φ = 50320216.

The previous prime is 50320213. The next prime is 50320241. The reversal of 50320217 is 71202305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44769481 + 5550736 = 6691^2 + 2356^2 .

It is a cyclic number.

It is not a de Polignac number, because 50320217 - 2² = 50320213 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50320211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25160108 + 25160109.

It is an arithmetic number, because the mean of its divisors is an integer number (25160109).

Almost surely, 2^50320217 is an apocalyptic number.

It is an amenable number.

50320217 is a deficient number, since it is larger than the sum of its proper divisors (1).

50320217 is an equidigital number, since it uses as much as digits as its factorization.

50320217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 50320217 is about 7093.6744357209. The cubic root of 50320217 is about 369.1879365701.

The spelling of 50320217 in words is "fifty million, three hundred twenty thousand, two hundred seventeen".