5617663 has 4 divisors (see below), whose sum is σ = 5624640. Its totient is φ = 5610688.

The previous prime is 5617657. The next prime is 5617679. The reversal of 5617663 is 3667165.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3667165 = 5 ⋅733433.

It is a cyclic number.

It is not a de Polignac number, because 5617663 - 2²¹ = 3520511 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 (5617613) 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, 2095 + ... + 3952.

It is an arithmetic number, because the mean of its divisors is an integer number (1406160).

Almost surely, 2^5617663 is an apocalyptic number.

5617663 is a deficient number, since it is larger than the sum of its proper divisors (6977).

5617663 is an equidigital number, since it uses as much as digits as its factorization.

5617663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6976.

The product of its digits is 22680, while the sum is 34.

The square root of 5617663 is about 2370.1609649979. The cubic root of 5617663 is about 177.7673073550.

The spelling of 5617663 in words is "five million, six hundred seventeen thousand, six hundred sixty-three".