50157839 has 2 divisors, whose sum is σ = 50157840. Its totient is φ = 50157838.

The previous prime is 50157817. The next prime is 50157851. The reversal of 50157839 is 93875105.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50157839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50157859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25078919 + 25078920.

It is an arithmetic number, because the mean of its divisors is an integer number (25078920).

Almost surely, 2^50157839 is an apocalyptic number.

50157839 is a deficient number, since it is larger than the sum of its proper divisors (1).

50157839 is an equidigital number, since it uses as much as digits as its factorization.

50157839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 50157839 is about 7082.2199203357. The cubic root of 50157839 is about 368.7903985616.

The spelling of 50157839 in words is "fifty million, one hundred fifty-seven thousand, eight hundred thirty-nine".