50438387 has 2 divisors, whose sum is σ = 50438388. Its totient is φ = 50438386.

The previous prime is 50438359. The next prime is 50438413. The reversal of 50438387 is 78383405.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50438387 - 2¹⁶ = 50372851 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 50438387.

It is not a weakly prime, because it can be changed into another prime (50438317) 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, 25219193 + 25219194.

It is an arithmetic number, because the mean of its divisors is an integer number (25219194).

Almost surely, 2^50438387 is an apocalyptic number.

50438387 is a deficient number, since it is larger than the sum of its proper divisors (1).

50438387 is an equidigital number, since it uses as much as digits as its factorization.

50438387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 50438387 is about 7101.9988031539. The cubic root of 50438387 is about 369.4767060744.

The spelling of 50438387 in words is "fifty million, four hundred thirty-eight thousand, three hundred eighty-seven".