50249171864 has 32 divisors (see below), whose sum is σ = 99784488000. Its totient is φ = 23656201632.

The previous prime is 50249171857. The next prime is 50249171867. The reversal of 50249171864 is 46817194205.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50249171867) 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 7 ways as a sum of consecutive naturals, for example, 989294 + ... + 1038845.

It is an arithmetic number, because the mean of its divisors is an integer number (3118265250).

Almost surely, 2^50249171864 is an apocalyptic number.

It is an amenable number.

50249171864 is a deficient number, since it is larger than the sum of its proper divisors (49535316136).

50249171864 is a wasteful number, since it uses less digits than its factorization.

50249171864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028327 (or 2028323 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 50249171864 in words is "fifty billion, two hundred forty-nine million, one hundred seventy-one thousand, eight hundred sixty-four".