50521133 has 16 divisors (see below), whose sum is σ = 59767680. Its totient is φ = 42254784.

The previous prime is 50521091. The next prime is 50521151. The reversal of 50521133 is 33112505.

It is not a de Polignac number, because 50521133 - 2⁶ = 50521069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50521333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1235 + ... + 10127.

It is an arithmetic number, because the mean of its divisors is an integer number (3735480).

Almost surely, 2^50521133 is an apocalyptic number.

It is an amenable number.

50521133 is a deficient number, since it is larger than the sum of its proper divisors (9246547).

50521133 is a wasteful number, since it uses less digits than its factorization.

50521133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8948.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 50521133 is about 7107.8219589407. The cubic root of 50521133 is about 369.6786423244.

Adding to 50521133 its reverse (33112505), we get a palindrome (83633638).

The spelling of 50521133 in words is "fifty million, five hundred twenty-one thousand, one hundred thirty-three".