568540 has 48 divisors (see below), whose sum is σ = 1419264. Its totient is φ = 187200.

The previous prime is 568523. The next prime is 568541. The reversal of 568540 is 45865.

568540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 568499 and 568508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4275 + ... + 4405.

It is an arithmetic number, because the mean of its divisors is an integer number (29568).

2⁵⁶⁸⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 568540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709632).

568540 is an abundant number, since it is smaller than the sum of its proper divisors (850724).

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

568540 is a wasteful number, since it uses less digits than its factorization.

568540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 568540 is about 754.0159149514. The cubic root of 568540 is about 82.8425912954.

The spelling of 568540 in words is "five hundred sixty-eight thousand, five hundred forty".