50005605559989 has 16 divisors (see below), whose sum is σ = 66802731834944. Its totient is φ = 33272776944000.

The previous prime is 50005605559967. The next prime is 50005605560023. The reversal of 50005605559989 is 98995550650005.

It is not a de Polignac number, because 50005605559989 - 2²⁰ = 50005604511413 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50005605552989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108786339 + ... + 109245039.

It is an arithmetic number, because the mean of its divisors is an integer number (4175170739684).

Almost surely, 2^{50005605559989} is an apocalyptic number.

It is an amenable number.

50005605559989 is a deficient number, since it is larger than the sum of its proper divisors (16797126274955).

50005605559989 is a wasteful number, since it uses less digits than its factorization.

50005605559989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528708.

The product of its (nonzero) digits is 109350000, while the sum is 66.

The spelling of 50005605559989 in words is "fifty trillion, five billion, six hundred five million, five hundred fifty-nine thousand, nine hundred eighty-nine".