50312539 has 2 divisors, whose sum is σ = 50312540. Its totient is φ = 50312538.

The previous prime is 50312531. The next prime is 50312567. The reversal of 50312539 is 93521305.

It is an a-pointer prime, because the next prime (50312567) can be obtained adding 50312539 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50312539 - 2³ = 50312531 is a prime.

It is not a weakly prime, because it can be changed into another prime (50312531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25156269 + 25156270.

It is an arithmetic number, because the mean of its divisors is an integer number (25156270).

Almost surely, 2^50312539 is an apocalyptic number.

50312539 is a deficient number, since it is larger than the sum of its proper divisors (1).

50312539 is an equidigital number, since it uses as much as digits as its factorization.

50312539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 50312539 is about 7093.1332286938. The cubic root of 50312539 is about 369.1691583710.

The spelling of 50312539 in words is "fifty million, three hundred twelve thousand, five hundred thirty-nine".