50136166529 has 2 divisors, whose sum is σ = 50136166530. Its totient is φ = 50136166528.

The previous prime is 50136166519. The next prime is 50136166537. The reversal of 50136166529 is 92566163105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42987802225 + 7148364304 = 207335^2 + 84548^2 .

It is a cyclic number.

It is not a de Polignac number, because 50136166529 - 2⁸ = 50136166273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50136166529.

It is not a weakly prime, because it can be changed into another prime (50136166519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25068083264 + 25068083265.

It is an arithmetic number, because the mean of its divisors is an integer number (25068083265).

Almost surely, 2^50136166529 is an apocalyptic number.

It is an amenable number.

50136166529 is a deficient number, since it is larger than the sum of its proper divisors (1).

50136166529 is an equidigital number, since it uses as much as digits as its factorization.

50136166529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 50136166529 in words is "fifty billion, one hundred thirty-six million, one hundred sixty-six thousand, five hundred twenty-nine".