9555885559 has 4 divisors (see below), whose sum is σ = 10424602440. Its totient is φ = 8687168680.

The previous prime is 9555885523. The next prime is 9555885607.

It is a happy number.

9555885559 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9555885559 - 2¹⁹ = 9555361271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9555885559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9555885659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434358424 + ... + 434358445.

It is an arithmetic number, because the mean of its divisors is an integer number (2606150610).

Almost surely, 2^9555885559 is an apocalyptic number.

9555885559 is a deficient number, since it is larger than the sum of its proper divisors (868716881).

9555885559 is a wasteful number, since it uses less digits than its factorization.

9555885559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868716880.

The product of its digits is 81000000, while the sum is 64.

The square root of 9555885559 is about 97754.2099298030. The cubic root of 9555885559 is about 2122.0566814918.

The spelling of 9555885559 in words is "nine billion, five hundred fifty-five million, eight hundred eighty-five thousand, five hundred fifty-nine".