5663518 has 12 divisors (see below), whose sum is σ = 9882432. Its totient is φ = 2427180.

The previous prime is 5663513. The next prime is 5663519. The reversal of 5663518 is 8153665.

It is a super-2 number, since 2×5663518² = 64150872272648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5663513) 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 5 ways as a sum of consecutive naturals, for example, 28798 + ... + 28993.

It is an arithmetic number, because the mean of its divisors is an integer number (823536).

Almost surely, 2^5663518 is an apocalyptic number.

5663518 is a deficient number, since it is larger than the sum of its proper divisors (4218914).

5663518 is a wasteful number, since it uses less digits than its factorization.

5663518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57807 (or 57800 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 5663518 is about 2379.8146986688. The cubic root of 5663518 is about 178.2496811693.

The spelling of 5663518 in words is "five million, six hundred sixty-three thousand, five hundred eighteen".