50242009 has 2 divisors, whose sum is σ = 50242010. Its totient is φ = 50242008.

The previous prime is 50242001. The next prime is 50242057. The reversal of 50242009 is 90024205.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41409225 + 8832784 = 6435^2 + 2972^2 .

It is a cyclic number.

It is not a de Polignac number, because 50242009 - 2³ = 50242001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50242001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25121004 + 25121005.

It is an arithmetic number, because the mean of its divisors is an integer number (25121005).

Almost surely, 2^50242009 is an apocalyptic number.

It is an amenable number.

50242009 is a deficient number, since it is larger than the sum of its proper divisors (1).

50242009 is an equidigital number, since it uses as much as digits as its factorization.

50242009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 50242009 is about 7088.1597752872. The cubic root of 50242009 is about 368.9965726530.

The spelling of 50242009 in words is "fifty million, two hundred forty-two thousand, nine".