5563646 has 8 divisors (see below), whose sum is σ = 9104184. Its totient is φ = 2528920.

The previous prime is 5563643. The next prime is 5563651. The reversal of 5563646 is 6463655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×5563646³ (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 (5563643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126425 + ... + 126468.

It is an arithmetic number, because the mean of its divisors is an integer number (1138023).

Almost surely, 2^5563646 is an apocalyptic number.

5563646 is a deficient number, since it is larger than the sum of its proper divisors (3540538).

5563646 is a wasteful number, since it uses less digits than its factorization.

5563646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252906.

The product of its digits is 64800, while the sum is 35.

The square root of 5563646 is about 2358.7382220162. The cubic root of 5563646 is about 177.1956936314.

Subtracting 5563646 from its reverse (6463655), we obtain a palindrome (900009).

The spelling of 5563646 in words is "five million, five hundred sixty-three thousand, six hundred forty-six".