5662566 has 48 divisors (see below), whose sum is σ = 15104544. Its totient is φ = 1492992.

The previous prime is 5662561. The next prime is 5662567. The reversal of 5662566 is 6652665.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5662566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5662561) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 91 + ... + 3366.

It is an arithmetic number, because the mean of its divisors is an integer number (314678).

Almost surely, 2^5662566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5662566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7552272).

5662566 is an abundant number, since it is smaller than the sum of its proper divisors (9441978).

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

5662566 is a wasteful number, since it uses less digits than its factorization.

5662566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485 (or 3482 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 5662566 is about 2379.6146746900. The cubic root of 5662566 is about 178.2396930780.

Subtracting 5662566 from its reverse (6652665), we obtain a palindrome (990099).

The spelling of 5662566 in words is "five million, six hundred sixty-two thousand, five hundred sixty-six".