50204397568 has 78 divisors (see below), whose sum is σ = 108230811962. Its totient is φ = 23147397120.

The previous prime is 50204397553. The next prime is 50204397601. The reversal of 50204397568 is 86579340205.

It can be written as a sum of positive squares in only one way, i.e., 34756890624 + 15447506944 = 186432^2 + 124288^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51703323 + ... + 51704293.

Almost surely, 2^50204397568 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 50204397568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54115405981).

50204397568 is an abundant number, since it is smaller than the sum of its proper divisors (58026414394).

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

50204397568 is an frugal number, since it uses more digits than its factorization.

50204397568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 50204397568 in words is "fifty billion, two hundred four million, three hundred ninety-seven thousand, five hundred sixty-eight".