5665653 has 32 divisors (see below), whose sum is σ = 9912320. Its totient is φ = 3129840.

The previous prime is 5665631. The next prime is 5665661. The reversal of 5665653 is 3565665.

It is a happy number.

It is not a de Polignac number, because 5665653 - 2¹⁰ = 5664629 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5376 + ... + 6342.

It is an arithmetic number, because the mean of its divisors is an integer number (309760).

Almost surely, 2^5665653 is an apocalyptic number.

It is an amenable number.

5665653 is a deficient number, since it is larger than the sum of its proper divisors (4246667).

5665653 is a wasteful number, since it uses less digits than its factorization.

5665653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 1008 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 5665653 is about 2380.2632207384. The cubic root of 5665653 is about 178.2720768639.

The spelling of 5665653 in words is "five million, six hundred sixty-five thousand, six hundred fifty-three".