50943983616 has 256 divisors, whose sum is σ = 153257529600. Its totient is φ = 16721510400.

The previous prime is 50943983599. The next prime is 50943983617. The reversal of 50943983616 is 61638934905.

50943983616 is a `hidden beast` number, since 509 + 4 + 3 + 98 + 36 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (256).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50943983617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62815851 + ... + 62816661.

It is an arithmetic number, because the mean of its divisors is an integer number (598662225).

Almost surely, 2^50943983616 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 50943983616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76628764800).

50943983616 is an abundant number, since it is smaller than the sum of its proper divisors (102313545984).

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

50943983616 is an frugal number, since it uses more digits than its factorization.

50943983616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 50943983616 in words is "fifty billion, nine hundred forty-three million, nine hundred eighty-three thousand, six hundred sixteen".