50255389 has 2 divisors, whose sum is σ = 50255390. Its totient is φ = 50255388.

The previous prime is 50255377. The next prime is 50255419. The reversal of 50255389 is 98355205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42471289 + 7784100 = 6517^2 + 2790^2 .

It is a cyclic number.

It is not a de Polignac number, because 50255389 - 2⁵ = 50255357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50255339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25127694 + 25127695.

It is an arithmetic number, because the mean of its divisors is an integer number (25127695).

Almost surely, 2^50255389 is an apocalyptic number.

It is an amenable number.

50255389 is a deficient number, since it is larger than the sum of its proper divisors (1).

50255389 is an equidigital number, since it uses as much as digits as its factorization.

50255389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 50255389 is about 7089.1035399407. The cubic root of 50255389 is about 369.0293256952.

The spelling of 50255389 in words is "fifty million, two hundred fifty-five thousand, three hundred eighty-nine".