50398913 has 2 divisors, whose sum is σ = 50398914. Its totient is φ = 50398912.

The previous prime is 50398889. The next prime is 50398927. The reversal of 50398913 is 31989305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39790864 + 10608049 = 6308^2 + 3257^2 .

It is a cyclic number.

It is not a de Polignac number, because 50398913 - 2¹⁶ = 50333377 is a prime.

It is not a weakly prime, because it can be changed into another prime (50397913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25199456 + 25199457.

It is an arithmetic number, because the mean of its divisors is an integer number (25199457).

Almost surely, 2^50398913 is an apocalyptic number.

It is an amenable number.

50398913 is a deficient number, since it is larger than the sum of its proper divisors (1).

50398913 is an equidigital number, since it uses as much as digits as its factorization.

50398913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 50398913 is about 7099.2191824172. The cubic root of 50398913 is about 369.3802945198.

The spelling of 50398913 in words is "fifty million, three hundred ninety-eight thousand, nine hundred thirteen".