50803693668 has 576 divisors, whose sum is σ = 171261296640. Its totient is φ = 12737088000.

The previous prime is 50803693667. The next prime is 50803693687. The reversal of 50803693668 is 86639630805.

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

It is not an unprimeable number, because it can be changed into a prime (50803693667) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 400029021 + ... + 400029147.

It is an arithmetic number, because the mean of its divisors is an integer number (297328640).

Almost surely, 2^50803693668 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 50803693668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85630648320).

50803693668 is an abundant number, since it is smaller than the sum of its proper divisors (120457602972).

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

50803693668 is a wasteful number, since it uses less digits than its factorization.

50803693668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 50803693668 in words is "fifty billion, eight hundred three million, six hundred ninety-three thousand, six hundred sixty-eight".