5681568 has 24 divisors (see below), whose sum is σ = 14914368. Its totient is φ = 1893824.

The previous prime is 5681567. The next prime is 5681579. The reversal of 5681568 is 8651865.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5681561) 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, 29496 + ... + 29687.

It is an arithmetic number, because the mean of its divisors is an integer number (621432).

Almost surely, 2^5681568 is an apocalyptic number.

It is an amenable number.

5681568 is an abundant number, since it is smaller than the sum of its proper divisors (9232800).

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

5681568 is a wasteful number, since it uses less digits than its factorization.

5681568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59196 (or 59188 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 5681568 is about 2383.6039939554. The cubic root of 5681568 is about 178.4388447926.

The spelling of 5681568 in words is "five million, six hundred eighty-one thousand, five hundred sixty-eight".