559845 has 64 divisors (see below), whose sum is σ = 1209600. Its totient is φ = 241920.

The previous prime is 559841. The next prime is 559849. The reversal of 559845 is 548955.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (559841) and next prime (559849).

It is not a de Polignac number, because 559845 - 2² = 559841 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (559841) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19291 + ... + 19319.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2⁵⁵⁹⁸⁴⁵ is an apocalyptic number.

559845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

559845 is an abundant number, since it is smaller than the sum of its proper divisors (649755).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

559845 is a wasteful number, since it uses less digits than its factorization.

559845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 61 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 559845 is about 748.2279064563. The cubic root of 559845 is about 82.4181005418.

The spelling of 559845 in words is "five hundred fifty-nine thousand, eight hundred forty-five".