50355332640 has 192 divisors, whose sum is σ = 176347584000. Its totient is φ = 13420173312.

The previous prime is 50355332633. The next prime is 50355332659. The reversal of 50355332640 is 4623355305.

50355332640 is a `hidden beast` number, since 5 + 0 + 3 + 5 + 5 + 3 + 3 + 2 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 50355332595 and 50355332604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13169769 + ... + 13173591.

It is an arithmetic number, because the mean of its divisors is an integer number (918477000).

Almost surely, 2^50355332640 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 50355332640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88173792000).

50355332640 is an abundant number, since it is smaller than the sum of its proper divisors (125992251360).

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

50355332640 is a wasteful number, since it uses less digits than its factorization.

50355332640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6896 (or 6882 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 50355332640 its reverse (4623355305), we get a palindrome (54978687945).

The spelling of 50355332640 in words is "fifty billion, three hundred fifty-five million, three hundred thirty-two thousand, six hundred forty".