5565648 has 80 divisors (see below), whose sum is σ = 15998976. Its totient is φ = 1653120.

The previous prime is 5565643. The next prime is 5565667. The reversal of 5565648 is 8465655.

It is a super-3 number, since 3×5565648³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5565641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43761 + ... + 43887.

Almost surely, 2^5565648 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 5565648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7999488).

5565648 is an abundant number, since it is smaller than the sum of its proper divisors (10433328).

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

5565648 is a wasteful number, since it uses less digits than its factorization.

5565648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 226 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 5565648 is about 2359.1625632838. The cubic root of 5565648 is about 177.2169448778.

It can be divided in two parts, 55 and 65648, that added together give a triangular number (65703 = T₃₆₂).

The spelling of 5565648 in words is "five million, five hundred sixty-five thousand, six hundred forty-eight".