50311133 has 2 divisors, whose sum is σ = 50311134. Its totient is φ = 50311132.

The previous prime is 50311127. The next prime is 50311159. The reversal of 50311133 is 33111305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50310649 + 484 = 7093^2 + 22^2 .

It is a cyclic number.

It is not a de Polignac number, because 50311133 - 2⁴ = 50311117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50311123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25155566 + 25155567.

It is an arithmetic number, because the mean of its divisors is an integer number (25155567).

Almost surely, 2^50311133 is an apocalyptic number.

It is an amenable number.

50311133 is a deficient number, since it is larger than the sum of its proper divisors (1).

50311133 is an equidigital number, since it uses as much as digits as its factorization.

50311133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 50311133 is about 7093.0341180626. The cubic root of 50311133 is about 369.1657194889.

Adding to 50311133 its reverse (33111305), we get a palindrome (83422438).

The spelling of 50311133 in words is "fifty million, three hundred eleven thousand, one hundred thirty-three".