50173721904 has 80 divisors (see below), whose sum is σ = 130974902784. Its totient is φ = 16550016000.

The previous prime is 50173721849. The next prime is 50173721909. The reversal of 50173721904 is 40912737105.

It is not an unprimeable number, because it can be changed into a prime (50173721909) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1893064 + ... + 1919384.

Almost surely, 2^50173721904 is an apocalyptic number.

It is an amenable number.

50173721904 is an abundant number, since it is smaller than the sum of its proper divisors (80801180880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50173721904 is a wasteful number, since it uses less digits than its factorization.

50173721904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26746 (or 26740 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 50173721904 in words is "fifty billion, one hundred seventy-three million, seven hundred twenty-one thousand, nine hundred four".