50643259 has 2 divisors, whose sum is σ = 50643260. Its totient is φ = 50643258.

The previous prime is 50643211. The next prime is 50643277. The reversal of 50643259 is 95234605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50643259 - 2¹⁵ = 50610491 is a prime.

It is not a weakly prime, because it can be changed into another prime (50643209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25321629 + 25321630.

It is an arithmetic number, because the mean of its divisors is an integer number (25321630).

Almost surely, 2^50643259 is an apocalyptic number.

50643259 is a deficient number, since it is larger than the sum of its proper divisors (1).

50643259 is an equidigital number, since it uses as much as digits as its factorization.

50643259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 50643259 is about 7116.4077314330. The cubic root of 50643259 is about 369.9762804371.

The spelling of 50643259 in words is "fifty million, six hundred forty-three thousand, two hundred fifty-nine".