50543323189 has 2 divisors, whose sum is σ = 50543323190. Its totient is φ = 50543323188.

The previous prime is 50543323151. The next prime is 50543323213. The reversal of 50543323189 is 98132334505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31734572164 + 18808751025 = 178142^2 + 137145^2 .

It is a cyclic number.

It is not a de Polignac number, because 50543323189 - 2⁹ = 50543322677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50543623189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25271661594 + 25271661595.

It is an arithmetic number, because the mean of its divisors is an integer number (25271661595).

Almost surely, 2^50543323189 is an apocalyptic number.

It is an amenable number.

50543323189 is a deficient number, since it is larger than the sum of its proper divisors (1).

50543323189 is an equidigital number, since it uses as much as digits as its factorization.

50543323189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 50543323189 in words is "fifty billion, five hundred forty-three million, three hundred twenty-three thousand, one hundred eighty-nine".