55589 has 2 divisors, whose sum is σ = 55590.
Its totient is φ = 55588.
The previous prime is 55579. The next prime is 55603. The reversal of 55589 is 98555.
55589 is nontrivially palindromic in base 13.
55589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 30625 + 24964 = 175^2 + 158^2
It is a cyclic number.
It is not a de Polignac number, because 55589 - 28 = 55333 is a prime.
It is a Chen prime.
It is a plaindrome in base 10.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (55529) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27794 + 27795.
It is an arithmetic number, because the mean of its divisors is an integer number (27795).
255589 is an apocalyptic number.
It is an amenable number.
55589 is a deficient number, since it is larger than the sum of its proper divisors (1).
55589 is an equidigital number, since it uses as much as digits as its factorization.
55589 is an evil number, because the sum of its binary digits is even.
The product of its digits is 9000, while the sum is 32.
The square root of 55589 is about 235.7731961017.
The cubic root of 55589 is about 38.1647967489.
The spelling of 55589 in words is "fifty-five thousand, five hundred eighty-nine".