50520134009 has 2 divisors, whose sum is σ = 50520134010. Its totient is φ = 50520134008.

The previous prime is 50520133987. The next prime is 50520134039. The reversal of 50520134009 is 90043102505.

50520134009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29720725609 + 20799408400 = 172397^2 + 144220^2 .

It is a cyclic number.

It is not a de Polignac number, because 50520134009 - 2⁸ = 50520133753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50520134039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25260067004 + 25260067005.

It is an arithmetic number, because the mean of its divisors is an integer number (25260067005).

Almost surely, 2^50520134009 is an apocalyptic number.

It is an amenable number.

50520134009 is a deficient number, since it is larger than the sum of its proper divisors (1).

50520134009 is an equidigital number, since it uses as much as digits as its factorization.

50520134009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 50520134009 in words is "fifty billion, five hundred twenty million, one hundred thirty-four thousand, nine".