50738534784 has 320 divisors, whose sum is σ = 174667933440. Its totient is φ = 14320364544.

The previous prime is 50738534779. The next prime is 50738534797. The reversal of 50738534784 is 48743583705.

It is a happy number.

50738534784 is a `hidden beast` number, since 5 + 0 + 7 + 38 + 534 + 78 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 50738534784.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6019597 + ... + 6028019.

It is an arithmetic number, because the mean of its divisors is an integer number (545837292).

Almost surely, 2^50738534784 is an apocalyptic number.

50738534784 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50738534784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87333966720).

50738534784 is an abundant number, since it is smaller than the sum of its proper divisors (123929398656).

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

50738534784 is an equidigital number, since it uses as much as digits as its factorization.

50738534784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8539 (or 8518 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 50738534784 in words is "fifty billion, seven hundred thirty-eight million, five hundred thirty-four thousand, seven hundred eighty-four".