50013446533 has 4 divisors (see below), whose sum is σ = 50045122240. Its totient is φ = 49981770828.

The previous prime is 50013446489. The next prime is 50013446537. The reversal of 50013446533 is 33564431005.

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 a de Polignac number, because none of the positive numbers 2^k-50013446533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50013446537) 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, 15835485 + ... + 15838642.

It is an arithmetic number, because the mean of its divisors is an integer number (12511280560).

Almost surely, 2^50013446533 is an apocalyptic number.

It is an amenable number.

50013446533 is a deficient number, since it is larger than the sum of its proper divisors (31675707).

50013446533 is a wasteful number, since it uses less digits than its factorization.

50013446533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31675706.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 50013446533 its reverse (33564431005), we get a palindrome (83577877538).

The spelling of 50013446533 in words is "fifty billion, thirteen million, four hundred forty-six thousand, five hundred thirty-three".