568442655 has 96 divisors (see below), whose sum is σ = 1132342848. Its totient is φ = 261273600.

The previous prime is 568442653. The next prime is 568442657. The reversal of 568442655 is 556244865.

It is an interprime number because it is at equal distance from previous prime (568442653) and next prime (568442657).

It is not a de Polignac number, because 568442655 - 2¹ = 568442653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 568442655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568442653) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 750537 + ... + 751293.

It is an arithmetic number, because the mean of its divisors is an integer number (11795238).

Almost surely, 2^568442655 is an apocalyptic number.

568442655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

568442655 is a deficient number, since it is larger than the sum of its proper divisors (563900193).

568442655 is a wasteful number, since it uses less digits than its factorization.

568442655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 854 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The square root of 568442655 is about 23842.0354626026. The cubic root of 568442655 is about 828.3786294307.

The spelling of 568442655 in words is "five hundred sixty-eight million, four hundred forty-two thousand, six hundred fifty-five".