50572966889 has 4 divisors (see below), whose sum is σ = 50573417856. Its totient is φ = 50572515924.

The previous prime is 50572966883. The next prime is 50572966907. The reversal of 50572966889 is 98866927505.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50572966889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50572966883) 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, 88112 + ... + 330014.

It is an arithmetic number, because the mean of its divisors is an integer number (12643354464).

Almost surely, 2^50572966889 is an apocalyptic number.

It is an amenable number.

50572966889 is a deficient number, since it is larger than the sum of its proper divisors (450967).

50572966889 is a wasteful number, since it uses less digits than its factorization.

50572966889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450966.

The product of its (nonzero) digits is 65318400, while the sum is 65.

The spelling of 50572966889 in words is "fifty billion, five hundred seventy-two million, nine hundred sixty-six thousand, eight hundred eighty-nine".