50289408009 has 15 divisors (see below), whose sum is σ = 75126698647. Its totient is φ = 33524926488.

The previous prime is 50289407983. The next prime is 50289408011. The reversal of 50289408009 is 90080498205.

The square root of 50289408009 is 224253.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 34657407225 + 15632000784 = 186165^2 + 125028^2 .

It is not a de Polignac number, because 50289408009 - 2¹⁹ = 50288883721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50289408709) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2005819 + ... + 2030735.

Almost surely, 2^50289408009 is an apocalyptic number.

50289408009 is the 224253-rd square number.

50289408009 is the 112127-th centered octagonal number.

It is an amenable number.

50289408009 is a deficient number, since it is larger than the sum of its proper divisors (24837290638).

50289408009 is an frugal number, since it uses more digits than its factorization.

50289408009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49846 (or 24920 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 50289408009 in words is "fifty billion, two hundred eighty-nine million, four hundred eight thousand, nine".