50511233 has 16 divisors (see below), whose sum is σ = 55246464. Its totient is φ = 45999360.

The previous prime is 50511203. The next prime is 50511259. The reversal of 50511233 is 33211505.

It is a cyclic number.

It is not a de Polignac number, because 50511233 - 2¹² = 50507137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50511203) 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, 69116 + ... + 69842.

It is an arithmetic number, because the mean of its divisors is an integer number (3452904).

Almost surely, 2^50511233 is an apocalyptic number.

It is an amenable number.

50511233 is a deficient number, since it is larger than the sum of its proper divisors (4735231).

50511233 is a wasteful number, since it uses less digits than its factorization.

50511233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872.

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

The square root of 50511233 is about 7107.1255089523. The cubic root of 50511233 is about 369.6544936338.

Adding to 50511233 its reverse (33211505), we get a palindrome (83722738).

The spelling of 50511233 in words is "fifty million, five hundred eleven thousand, two hundred thirty-three".