50543143129 has 2 divisors, whose sum is σ = 50543143130. Its totient is φ = 50543143128.

The previous prime is 50543143121. The next prime is 50543143159. The reversal of 50543143129 is 92134134505.

50543143129 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., 40309797529 + 10233345600 = 200773^2 + 101160^2 .

It is a cyclic number.

It is not a de Polignac number, because 50543143129 - 2³ = 50543143121 is a prime.

It is not a weakly prime, because it can be changed into another prime (50543143121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25271571564 + 25271571565.

It is an arithmetic number, because the mean of its divisors is an integer number (25271571565).

Almost surely, 2^50543143129 is an apocalyptic number.

It is an amenable number.

50543143129 is a deficient number, since it is larger than the sum of its proper divisors (1).

50543143129 is an equidigital number, since it uses as much as digits as its factorization.

50543143129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 50543143129 in words is "fifty billion, five hundred forty-three million, one hundred forty-three thousand, one hundred twenty-nine".