566556500 has 48 divisors (see below), whose sum is σ = 1242455760. Its totient is φ = 225689600.

The previous prime is 566556451. The next prime is 566556503. The reversal of 566556500 is 5655665.

It is a happy number.

566556500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 144336196 + 422220304 = 12014^2 + 20548^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566556503) 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, 126296 + ... + 130704.

It is an arithmetic number, because the mean of its divisors is an integer number (25884495).

Almost surely, 2^566556500 is an apocalyptic number.

566556500 is a gapful number since it is divisible by the number (50) 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 566556500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621227880).

566556500 is an abundant number, since it is smaller than the sum of its proper divisors (675899260).

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

566556500 is a wasteful number, since it uses less digits than its factorization.

566556500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685 (or 4673 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 566556500 is about 23802.4473531610. The cubic root of 566556500 is about 827.4613971763.

It can be divided in two parts, 56 and 6556500, that added together give a palindrome (6556556).

The spelling of 566556500 in words is "five hundred sixty-six million, five hundred fifty-six thousand, five hundred".