5506663 has 4 divisors (see below), whose sum is σ = 5588920. Its totient is φ = 5424408.

The previous prime is 5506651. The next prime is 5506679. The reversal of 5506663 is 3666055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5506663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5506363) 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, 41028 + ... + 41161.

It is an arithmetic number, because the mean of its divisors is an integer number (1397230).

Almost surely, 2^5506663 is an apocalyptic number.

5506663 is a deficient number, since it is larger than the sum of its proper divisors (82257).

5506663 is an equidigital number, since it uses as much as digits as its factorization.

5506663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82256.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 5506663 is about 2346.6280063103. The cubic root of 5506663 is about 176.5886689434.

The spelling of 5506663 in words is "five million, five hundred six thousand, six hundred sixty-three".