50771611520 has 512 divisors, whose sum is σ = 153413222400. Its totient is φ = 15676416000.

The previous prime is 50771611483. The next prime is 50771611621. The reversal of 50771611520 is 2511617705.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 187348985 + ... + 187349255.

It is an arithmetic number, because the mean of its divisors is an integer number (299635200).

Almost surely, 2^50771611520 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 50771611520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76706611200).

50771611520 is an abundant number, since it is smaller than the sum of its proper divisors (102641610880).

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

50771611520 is a wasteful number, since it uses less digits than its factorization.

50771611520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 35.

The spelling of 50771611520 in words is "fifty billion, seven hundred seventy-one million, six hundred eleven thousand, five hundred twenty".