50133530 has 16 divisors (see below), whose sum is σ = 90580680. Its totient is φ = 19977792.

The previous prime is 50133509. The next prime is 50133563. The reversal of 50133530 is 3533105.

It can be written as a sum of positive squares in 4 ways, for example, as 10582009 + 39551521 = 3253^2 + 6289^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6629 + ... + 12008.

Almost surely, 2^50133530 is an apocalyptic number.

50133530 is a deficient number, since it is larger than the sum of its proper divisors (40447150).

50133530 is a wasteful number, since it uses less digits than its factorization.

50133530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18913.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 50133530 is about 7080.5035131691. The cubic root of 50133530 is about 368.7308108371.

Adding to 50133530 its reverse (3533105), we get a palindrome (53666635).

The spelling of 50133530 in words is "fifty million, one hundred thirty-three thousand, five hundred thirty".