568645056 has 224 divisors, whose sum is σ = 1948769280. Its totient is φ = 159224832.

The previous prime is 568645039. The next prime is 568645069. The reversal of 568645056 is 650546865.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640645 + ... + 641531.

Almost surely, 2^568645056 is an apocalyptic number.

568645056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 568645056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974384640).

568645056 is an abundant number, since it is smaller than the sum of its proper divisors (1380124224).

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

568645056 is a wasteful number, since it uses less digits than its factorization.

568645056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The square root of 568645056 is about 23846.2797098415. The cubic root of 568645056 is about 828.4769358977.

The spelling of 568645056 in words is "five hundred sixty-eight million, six hundred forty-five thousand, fifty-six".