50020193864 has 32 divisors (see below), whose sum is σ = 95398970400. Its totient is φ = 24580659840.

The previous prime is 50020193837. The next prime is 50020193887. The reversal of 50020193864 is 46839102005.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2774399 + ... + 2792369.

It is an arithmetic number, because the mean of its divisors is an integer number (2981217825).

Almost surely, 2^50020193864 is an apocalyptic number.

It is an amenable number.

50020193864 is a deficient number, since it is larger than the sum of its proper divisors (45378776536).

50020193864 is a wasteful number, since it uses less digits than its factorization.

50020193864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23933 (or 23929 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

Adding to 50020193864 its reverse (46839102005), we get a palindrome (96859295869).

The spelling of 50020193864 in words is "fifty billion, twenty million, one hundred ninety-three thousand, eight hundred sixty-four".