50571937920 has 256 divisors, whose sum is σ = 184559616000. Its totient is φ = 11538395136.

The previous prime is 50571937891. The next prime is 50571937937. The reversal of 50571937920 is 2973917505.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 50571937920.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8154981 + ... + 8161179.

It is an arithmetic number, because the mean of its divisors is an integer number (720936000).

Almost surely, 2^50571937920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50571937920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92279808000).

50571937920 is an abundant number, since it is smaller than the sum of its proper divisors (133987678080).

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

50571937920 is a wasteful number, since it uses less digits than its factorization.

50571937920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6835 (or 6823 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 48.

The spelling of 50571937920 in words is "fifty billion, five hundred seventy-one million, nine hundred thirty-seven thousand, nine hundred twenty".