559891 has 4 divisors (see below), whose sum is σ = 577984. Its totient is φ = 541800.

The previous prime is 559883. The next prime is 559901. The reversal of 559891 is 198955.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 198955 = 5 ⋅39791.

It is a cyclic number.

It is not a de Polignac number, because 559891 - 2³ = 559883 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 559891.

It is not an unprimeable number, because it can be changed into a prime (559831) 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, 9000 + ... + 9061.

It is an arithmetic number, because the mean of its divisors is an integer number (144496).

2⁵⁵⁹⁸⁹¹ is an apocalyptic number.

559891 is a deficient number, since it is larger than the sum of its proper divisors (18093).

559891 is a wasteful number, since it uses less digits than its factorization.

559891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18092.

The product of its digits is 16200, while the sum is 37.

The square root of 559891 is about 748.2586451221. The cubic root of 559891 is about 82.4203577909.

The spelling of 559891 in words is "five hundred fifty-nine thousand, eight hundred ninety-one".