563850 has 72 divisors (see below), whose sum is σ = 1740960. Its totient is φ = 128160.

The previous prime is 563837. The next prime is 563851. The reversal of 563850 is 58365.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (563851) by changing a digit.

563850 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3061 + ... + 3239.

It is an arithmetic number, because the mean of its divisors is an integer number (24180).

2⁵⁶³⁸⁵⁰ is an apocalyptic number.

563850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 563850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870480).

563850 is an abundant number, since it is smaller than the sum of its proper divisors (1177110).

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

563850 is a wasteful number, since it uses less digits than its factorization.

563850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 563850 is about 750.8994606470. The cubic root of 563850 is about 82.6141670068.

The spelling of 563850 in words is "five hundred sixty-three thousand, eight hundred fifty".