50055217 has 2 divisors, whose sum is σ = 50055218. Its totient is φ = 50055216.

The previous prime is 50055169. The next prime is 50055221. The reversal of 50055217 is 71255005.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39237696 + 10817521 = 6264^2 + 3289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50055217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50055191 and 50055200.

It is not a weakly prime, because it can be changed into another prime (50055227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25027608 + 25027609.

It is an arithmetic number, because the mean of its divisors is an integer number (25027609).

Almost surely, 2^50055217 is an apocalyptic number.

It is an amenable number.

50055217 is a deficient number, since it is larger than the sum of its proper divisors (1).

50055217 is an equidigital number, since it uses as much as digits as its factorization.

50055217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 50055217 is about 7074.9711660190. The cubic root of 50055217 is about 368.5387140848.

The spelling of 50055217 in words is "fifty million, fifty-five thousand, two hundred seventeen".