5665655 has 4 divisors (see below), whose sum is σ = 6798792. Its totient is φ = 4532520.

The previous prime is 5665631. The next prime is 5665661. The reversal of 5665655 is 5565665.

It is a happy number.

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

It is not a de Polignac number, because 5665655 - 2⁸ = 5665399 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 3 ways as a sum of consecutive naturals, for example, 566561 + ... + 566570.

It is an arithmetic number, because the mean of its divisors is an integer number (1699698).

Almost surely, 2^5665655 is an apocalyptic number.

5665655 is a deficient number, since it is larger than the sum of its proper divisors (1133137).

5665655 is a wasteful number, since it uses less digits than its factorization.

5665655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133136.

The product of its digits is 135000, while the sum is 38.

The square root of 5665655 is about 2380.2636408600. The cubic root of 5665655 is about 178.2720978409.

The spelling of 5665655 in words is "five million, six hundred sixty-five thousand, six hundred fifty-five".