50515133 has 2 divisors, whose sum is σ = 50515134. Its totient is φ = 50515132.

The previous prime is 50515123. The next prime is 50515163. The reversal of 50515133 is 33151505.

50515133 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., 50438404 + 76729 = 7102^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 50515133 - 2¹⁸ = 50252989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50515099 and 50515108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50515123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25257566 + 25257567.

It is an arithmetic number, because the mean of its divisors is an integer number (25257567).

Almost surely, 2^50515133 is an apocalyptic number.

It is an amenable number.

50515133 is a deficient number, since it is larger than the sum of its proper divisors (1).

50515133 is an equidigital number, since it uses as much as digits as its factorization.

50515133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 50515133 is about 7107.3998761854. The cubic root of 50515133 is about 369.6640071310.

Adding to 50515133 its reverse (33151505), we get a palindrome (83666638).

The spelling of 50515133 in words is "fifty million, five hundred fifteen thousand, one hundred thirty-three".