5566500 has 72 divisors (see below), whose sum is σ = 17574648. Its totient is φ = 1483200.

The previous prime is 5566499. The next prime is 5566501. The reversal of 5566500 is 56655.

5566500 is a `hidden beast` number, since 5 + 5 + 6 + 650 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (5566499) and next prime (5566501).

It can be written as a sum of positive squares in 4 ways, for example, as 34596 + 5531904 = 186^2 + 2352^2 .

It is not an unprimeable number, because it can be changed into a prime (5566501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3882 + ... + 5118.

Almost surely, 2^5566500 is an apocalyptic number.

5566500 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 5566500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8787324).

5566500 is an abundant number, since it is smaller than the sum of its proper divisors (12008148).

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

5566500 is a wasteful number, since it uses less digits than its factorization.

5566500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 5566500 is about 2359.3431289238. The cubic root of 5566500 is about 177.2259873190.

It can be divided in two parts, 556 and 6500, that added together give a square (7056 = 84²).

The spelling of 5566500 in words is "five million, five hundred sixty-six thousand, five hundred".