50218193 has 2 divisors, whose sum is σ = 50218194. Its totient is φ = 50218192.

The previous prime is 50218183. The next prime is 50218219. The reversal of 50218193 is 39181205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26956864 + 23261329 = 5192^2 + 4823^2 .

It is a cyclic number.

It is not a de Polignac number, because 50218193 - 2¹² = 50214097 is a prime.

It is not a weakly prime, because it can be changed into another prime (50218183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25109096 + 25109097.

It is an arithmetic number, because the mean of its divisors is an integer number (25109097).

Almost surely, 2^50218193 is an apocalyptic number.

It is an amenable number.

50218193 is a deficient number, since it is larger than the sum of its proper divisors (1).

50218193 is an equidigital number, since it uses as much as digits as its factorization.

50218193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 50218193 is about 7086.4795914474. The cubic root of 50218193 is about 368.9382588269.

Adding to 50218193 its reverse (39181205), we get a palindrome (89399398).

The spelling of 50218193 in words is "fifty million, two hundred eighteen thousand, one hundred ninety-three".