50533440133 has 4 divisors (see below), whose sum is σ = 55127389248. Its totient is φ = 45939491020.

The previous prime is 50533440107. The next prime is 50533440143. The reversal of 50533440133 is 33104433505.

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.

It is a cyclic number.

It is not a de Polignac number, because 50533440133 - 2²⁹ = 49996569221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50533440095 and 50533440104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50533440143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2296974541 + ... + 2296974562.

It is an arithmetic number, because the mean of its divisors is an integer number (13781847312).

Almost surely, 2^50533440133 is an apocalyptic number.

It is an amenable number.

50533440133 is a deficient number, since it is larger than the sum of its proper divisors (4593949115).

50533440133 is a wasteful number, since it uses less digits than its factorization.

50533440133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593949114.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 50533440133 its reverse (33104433505), we get a palindrome (83637873638).

The spelling of 50533440133 in words is "fifty billion, five hundred thirty-three million, four hundred forty thousand, one hundred thirty-three".