50809249 has 16 divisors (see below), whose sum is σ = 54835200. Its totient is φ = 46935504.

The previous prime is 50809237. The next prime is 50809259. The reversal of 50809249 is 94290805.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50809249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50809259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212472 + ... + 212710.

It is an arithmetic number, because the mean of its divisors is an integer number (3427200).

Almost surely, 2^50809249 is an apocalyptic number.

It is an amenable number.

50809249 is a deficient number, since it is larger than the sum of its proper divisors (4025951).

50809249 is a wasteful number, since it uses less digits than its factorization.

50809249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 50809249 is about 7128.0606759483. The cubic root of 50809249 is about 370.3800550637.

The spelling of 50809249 in words is "fifty million, eight hundred nine thousand, two hundred forty-nine".