559881 has 12 divisors (see below), whose sum is σ = 924352. Its totient is φ = 319896.

The previous prime is 559877. The next prime is 559883. The reversal of 559881 is 188955.

559881 = T₁₉₀ + T₁₉₁ + ... + T₂₁₆.

It is not a de Polignac number, because 559881 - 2² = 559877 is a prime.

It is a super-2 number, since 2×559881² = 626933468322, which contains 22 as substring.

It is a Duffinian number.

559881 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 559881.

It is not an unprimeable number, because it can be changed into a prime (559883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4381 + ... + 4506.

559881 is a Friedman number, since it can be written as 9+(5+1)^8/(8-5), using all its digits and the basic arithmetic operations.

2⁵⁵⁹⁸⁸¹ is an apocalyptic number.

It is an amenable number.

559881 is a deficient number, since it is larger than the sum of its proper divisors (364471).

559881 is a wasteful number, since it uses less digits than its factorization.

559881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8900 (or 8897 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The square root of 559881 is about 748.2519629109. The cubic root of 559881 is about 82.4198670951.

The spelling of 559881 in words is "five hundred fifty-nine thousand, eight hundred eighty-one".