50540239 has 2 divisors, whose sum is σ = 50540240. Its totient is φ = 50540238.

The previous prime is 50540213. The next prime is 50540251. The reversal of 50540239 is 93204505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50540239 - 2²³ = 42151631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50540279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25270119 + 25270120.

It is an arithmetic number, because the mean of its divisors is an integer number (25270120).

Almost surely, 2^50540239 is an apocalyptic number.

50540239 is a deficient number, since it is larger than the sum of its proper divisors (1).

50540239 is an equidigital number, since it uses as much as digits as its factorization.

50540239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 50540239 is about 7109.1658441761. The cubic root of 50540239 is about 369.7252379406.

The spelling of 50540239 in words is "fifty million, five hundred forty thousand, two hundred thirty-nine".