5663815 has 8 divisors (see below), whose sum is σ = 6825168. Its totient is φ = 4512000.

The previous prime is 5663807. The next prime is 5663821. The reversal of 5663815 is 5183665.

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

It is not a de Polignac number, because 5663815 - 2³ = 5663807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002 + ... + 3511.

It is an arithmetic number, because the mean of its divisors is an integer number (853146).

Almost surely, 2^5663815 is an apocalyptic number.

5663815 is a deficient number, since it is larger than the sum of its proper divisors (1161353).

5663815 is a wasteful number, since it uses less digits than its factorization.

5663815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4769.

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

The square root of 5663815 is about 2379.8770976670. The cubic root of 5663815 is about 178.2527969730.

The spelling of 5663815 in words is "five million, six hundred sixty-three thousand, eight hundred fifteen".