50133533 has 4 divisors (see below), whose sum is σ = 52772160. Its totient is φ = 47494908.

The previous prime is 50133509. The next prime is 50133563. The reversal of 50133533 is 33533105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33533105 = 5 ⋅6706621.

It is not a de Polignac number, because 50133533 - 2²⁰ = 49084957 is a prime.

It is a super-2 number, since 2×50133533² = 5026742262124178, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50133499 and 50133508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50133563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319285 + ... + 1319322.

It is an arithmetic number, because the mean of its divisors is an integer number (13193040).

Almost surely, 2^50133533 is an apocalyptic number.

It is an amenable number.

50133533 is a deficient number, since it is larger than the sum of its proper divisors (2638627).

50133533 is a wasteful number, since it uses less digits than its factorization.

50133533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638626.

The product of its (nonzero) digits is 2025, while the sum is 23.

The square root of 50133533 is about 7080.5037250184. The cubic root of 50133533 is about 368.7308181921.

Adding to 50133533 its reverse (33533105), we get a palindrome (83666638).

The spelling of 50133533 in words is "fifty million, one hundred thirty-three thousand, five hundred thirty-three".