9955589 has 4 divisors (see below), whose sum is σ = 11377824. Its totient is φ = 8533356.

The previous prime is 9955577. The next prime is 9955633. The reversal of 9955589 is 9855599.

9955589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9955589 - 2¹⁶ = 9890053 is a prime.

It is a super-2 number, since 2×9955589² = 198227504673842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9955559) 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, 711107 + ... + 711120.

It is an arithmetic number, because the mean of its divisors is an integer number (2844456).

Almost surely, 2^9955589 is an apocalyptic number.

It is an amenable number.

9955589 is a deficient number, since it is larger than the sum of its proper divisors (1422235).

9955589 is a wasteful number, since it uses less digits than its factorization.

9955589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422234.

The product of its digits is 729000, while the sum is 50.

The square root of 9955589 is about 3155.2478508035. The cubic root of 9955589 is about 215.1240603635.

The spelling of 9955589 in words is "nine million, nine hundred fifty-five thousand, five hundred eighty-nine".