50396696064 has 240 divisors, whose sum is σ = 170878531824. Its totient is φ = 14096793600.

The previous prime is 50396696059. The next prime is 50396696099. The reversal of 50396696064 is 46069669305.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 50396696064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 620704 + ... + 697184.

Almost surely, 2^50396696064 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 50396696064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85439265912).

50396696064 is an abundant number, since it is smaller than the sum of its proper divisors (120481835760).

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

50396696064 is a wasteful number, since it uses less digits than its factorization.

50396696064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76529 (or 76510 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The spelling of 50396696064 in words is "fifty billion, three hundred ninety-six million, six hundred ninety-six thousand, sixty-four".