49500509 has 2 divisors, whose sum is σ = 49500510. Its totient is φ = 49500508.

The previous prime is 49500499. The next prime is 49500523. The reversal of 49500509 is 90500594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27269284 + 22231225 = 5222^2 + 4715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49500509 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 (49500559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24750254 + 24750255.

It is an arithmetic number, because the mean of its divisors is an integer number (24750255).

Almost surely, 2^49500509 is an apocalyptic number.

It is an amenable number.

49500509 is a deficient number, since it is larger than the sum of its proper divisors (1).

49500509 is an equidigital number, since it uses as much as digits as its factorization.

49500509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 49500509 is about 7035.6598126970. The cubic root of 49500509 is about 367.1722816170.

The spelling of 49500509 in words is "forty-nine million, five hundred thousand, five hundred nine".