559999 has 4 divisors (see below), whose sum is σ = 610920.
Its totient is φ = 509080.
The previous prime is 559991. The next prime is 560017. The reversal of 559999 is 999955.
It can be divided in two parts, 55 and 9999, that multiplied together give a palindrome (549945).
559999 = 3032 + 3042 + ... + 3082.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 559999 - 23 = 559991 is a prime.
It is an Ulam number.
It is a Duffinian number.
559999 is a modest number, since divided by 999 gives 559 as remainder.
559999 is a lucky number.
It is a plaindrome in base 10.
It is a zygodrome in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (559991) 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, 25444 + ... + 25465.
It is an arithmetic number, because the mean of its divisors is an integer number (152730).
2559999 is an apocalyptic number.
559999 is a deficient number, since it is larger than the sum of its proper divisors (50921).
559999 is a wasteful number, since it uses less digits than its factorization.
559999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50920.
The product of its digits is 164025, while the sum is 46.
The square root of 559999 is about 748.3308092014.
The cubic root of 559999 is about 82.4256569332.
The spelling of 559999 in words is "five hundred fifty-nine thousand, nine hundred ninety-nine".