5663555 has 16 divisors (see below), whose sum is σ = 7106400. Its totient is φ = 4327680.

The previous prime is 5663549. The next prime is 5663561. The reversal of 5663555 is 5553665.

It is an interprime number because it is at equal distance from previous prime (5663549) and next prime (5663561).

It is not a de Polignac number, because 5663555 - 2⁶ = 5663491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20015 + ... + 20295.

It is an arithmetic number, because the mean of its divisors is an integer number (444150).

Almost surely, 2^5663555 is an apocalyptic number.

5663555 is a deficient number, since it is larger than the sum of its proper divisors (1442845).

5663555 is a wasteful number, since it uses less digits than its factorization.

5663555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454.

The product of its digits is 67500, while the sum is 35.

The square root of 5663555 is about 2379.8224723706. The cubic root of 5663555 is about 178.2500693394.

The spelling of 5663555 in words is "five million, six hundred sixty-three thousand, five hundred fifty-five".