50500004997321 has 72 divisors (see below), whose sum is σ = 84751679376000. Its totient is φ = 28873896448320.

The previous prime is 50500004997317. The next prime is 50500004997329. The reversal of 50500004997321 is 12379940000505.

It is a happy number.

50500004997321 is a `hidden beast` number, since 50 + 500 + 0 + 0 + 4 + 9 + 9 + 73 + 21 = 666.

It is not a de Polignac number, because 50500004997321 - 2² = 50500004997317 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50500004997329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 160866 + ... + 10051163.

It is an arithmetic number, because the mean of its divisors is an integer number (1177106658000).

Almost surely, 2^{50500004997321} is an apocalyptic number.

It is an amenable number.

50500004997321 is a deficient number, since it is larger than the sum of its proper divisors (34251674378679).

50500004997321 is a wasteful number, since it uses less digits than its factorization.

50500004997321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212315 (or 10212301 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

Adding to 50500004997321 its reverse (12379940000505), we get a palindrome (62879944997826).

The spelling of 50500004997321 in words is "fifty trillion, five hundred billion, four million, nine hundred ninety-seven thousand, three hundred twenty-one".