49500239 has 2 divisors, whose sum is σ = 49500240. Its totient is φ = 49500238.

The previous prime is 49500229. The next prime is 49500247. The reversal of 49500239 is 93200594.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49500239 is a prime.

It is a super-2 number, since 2×49500239² = 4900547322114242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49500229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24750119 + 24750120.

It is an arithmetic number, because the mean of its divisors is an integer number (24750120).

Almost surely, 2^49500239 is an apocalyptic number.

49500239 is a deficient number, since it is larger than the sum of its proper divisors (1).

49500239 is an equidigital number, since it uses as much as digits as its factorization.

49500239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 49500239 is about 7035.6406247050. The cubic root of 49500239 is about 367.1716140367.

The spelling of 49500239 in words is "forty-nine million, five hundred thousand, two hundred thirty-nine".