50661045133 has 2 divisors, whose sum is σ = 50661045134. Its totient is φ = 50661045132.

The previous prime is 50661045101. The next prime is 50661045167. The reversal of 50661045133 is 33154016605.

It is an a-pointer prime, because the next prime (50661045167) can be obtained adding 50661045133 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44505387369 + 6155657764 = 210963^2 + 78458^2 .

It is a cyclic number.

It is not a de Polignac number, because 50661045133 - 2⁵ = 50661045101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50661045733) 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, 25330522566 + 25330522567.

It is an arithmetic number, because the mean of its divisors is an integer number (25330522567).

Almost surely, 2^50661045133 is an apocalyptic number.

It is an amenable number.

50661045133 is a deficient number, since it is larger than the sum of its proper divisors (1).

50661045133 is an equidigital number, since it uses as much as digits as its factorization.

50661045133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 50661045133 in words is "fifty billion, six hundred sixty-one million, forty-five thousand, one hundred thirty-three".