50308909 has 4 divisors (see below), whose sum is σ = 57495904. Its totient is φ = 43121916.

The previous prime is 50308901. The next prime is 50308931. The reversal of 50308909 is 90980305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50308909 - 2³ = 50308901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50308901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3593487 + ... + 3593500.

It is an arithmetic number, because the mean of its divisors is an integer number (14373976).

Almost surely, 2^50308909 is an apocalyptic number.

It is an amenable number.

50308909 is a deficient number, since it is larger than the sum of its proper divisors (7186995).

50308909 is an equidigital number, since it uses as much as digits as its factorization.

50308909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7186994.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 50308909 is about 7092.8773427996. The cubic root of 50308909 is about 369.1602797607.

The spelling of 50308909 in words is "fifty million, three hundred eight thousand, nine hundred nine".