50673309521 has 8 divisors (see below), whose sum is σ = 53669316960. Its totient is φ = 47678993728.

The previous prime is 50673309517. The next prime is 50673309611. The reversal of 50673309521 is 12590337605.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50673309521 - 2² = 50673309517 is a prime.

It is a super-2 number, since 2×50673309521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50673309121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360971 + ... + 481296.

It is an arithmetic number, because the mean of its divisors is an integer number (6708664620).

Almost surely, 2^50673309521 is an apocalyptic number.

It is an amenable number.

50673309521 is a deficient number, since it is larger than the sum of its proper divisors (2996007439).

50673309521 is a wasteful number, since it uses less digits than its factorization.

50673309521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845823.

The product of its (nonzero) digits is 170100, while the sum is 41.

The spelling of 50673309521 in words is "fifty billion, six hundred seventy-three million, three hundred nine thousand, five hundred twenty-one".