50986217 has 2 divisors, whose sum is σ = 50986218. Its totient is φ = 50986216.

The previous prime is 50986189. The next prime is 50986241. The reversal of 50986217 is 71268905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30591961 + 20394256 = 5531^2 + 4516^2 .

It is a cyclic number.

It is not a de Polignac number, because 50986217 - 2¹² = 50982121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50986267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25493108 + 25493109.

It is an arithmetic number, because the mean of its divisors is an integer number (25493109).

Almost surely, 2^50986217 is an apocalyptic number.

It is an amenable number.

50986217 is a deficient number, since it is larger than the sum of its proper divisors (1).

50986217 is an equidigital number, since it uses as much as digits as its factorization.

50986217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 50986217 is about 7140.4633603149. The cubic root of 50986217 is about 370.8095665392.

The spelling of 50986217 in words is "fifty million, nine hundred eighty-six thousand, two hundred seventeen".