5566464 has 78 divisors (see below), whose sum is σ = 16185416. Its totient is φ = 1843200.

The previous prime is 5566441. The next prime is 5566481. The reversal of 5566464 is 4646655.

It is a happy number.

5566464 is a `hidden beast` number, since 5 + 5 + 6 + 646 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36789 + ... + 36939.

Almost surely, 2^5566464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5566464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8092708).

5566464 is an abundant number, since it is smaller than the sum of its proper divisors (10618952).

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

5566464 is a wasteful number, since it uses less digits than its factorization.

5566464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 156 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 5566464 is about 2359.3354996693. The cubic root of 5566464 is about 177.2256052626.

The spelling of 5566464 in words is "five million, five hundred sixty-six thousand, four hundred sixty-four".