50565197 has 2 divisors, whose sum is σ = 50565198. Its totient is φ = 50565196.

The previous prime is 50565181. The next prime is 50565269. The reversal of 50565197 is 79156505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43414921 + 7150276 = 6589^2 + 2674^2 .

It is a cyclic number.

It is not a de Polignac number, because 50565197 - 2⁴ = 50565181 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50565197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50565797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25282598 + 25282599.

It is an arithmetic number, because the mean of its divisors is an integer number (25282599).

Almost surely, 2^50565197 is an apocalyptic number.

It is an amenable number.

50565197 is a deficient number, since it is larger than the sum of its proper divisors (1).

50565197 is an equidigital number, since it uses as much as digits as its factorization.

50565197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47250, while the sum is 38.

The square root of 50565197 is about 7110.9209670759. The cubic root of 50565197 is about 369.7860876988.

The spelling of 50565197 in words is "fifty million, five hundred sixty-five thousand, one hundred ninety-seven".