50513133 has 16 divisors (see below), whose sum is σ = 74016576. Its totient is φ = 30387840.

The previous prime is 50513131. The next prime is 50513143. The reversal of 50513133 is 33131505.

It is a happy number.

It is not a de Polignac number, because 50513133 - 2¹ = 50513131 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50513131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1066 + ... + 10107.

It is an arithmetic number, because the mean of its divisors is an integer number (4626036).

Almost surely, 2^50513133 is an apocalyptic number.

It is an amenable number.

50513133 is a deficient number, since it is larger than the sum of its proper divisors (23503443).

50513133 is a wasteful number, since it uses less digits than its factorization.

50513133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11324.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 50513133 is about 7107.2591763633. The cubic root of 50513133 is about 369.6591284756.

Adding to 50513133 its reverse (33131505), we get a palindrome (83644638).

The spelling of 50513133 in words is "fifty million, five hundred thirteen thousand, one hundred thirty-three".