50512521513997 has 8 divisors (see below), whose sum is σ = 53627234643576. Its totient is φ = 47413740421632.

The previous prime is 50512521513977. The next prime is 50512521514009. The reversal of 50512521513997 is 79931512521505.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2393521504201 + 48119000009796 = 1547101^2 + 6936786^2 .

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 50512521513997 - 2¹⁵ = 50512521481229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50512521513977) 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, 3983002768 + ... + 3983015449.

It is an arithmetic number, because the mean of its divisors is an integer number (6703404330447).

Almost surely, 2^{50512521513997} is an apocalyptic number.

It is an amenable number.

50512521513997 is a deficient number, since it is larger than the sum of its proper divisors (3114713129579).

50512521513997 is a wasteful number, since it uses less digits than its factorization.

50512521513997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7966018607.

The product of its (nonzero) digits is 4252500, while the sum is 55.

The spelling of 50512521513997 in words is "fifty trillion, five hundred twelve billion, five hundred twenty-one million, five hundred thirteen thousand, nine hundred ninety-seven".