5653565 has 8 divisors (see below), whose sum is σ = 6798168. Its totient is φ = 4513600.

The previous prime is 5653523. The next prime is 5653577.

5653565 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 1737124 + 3916441 = 1318^2 + 1979^2 .

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

It is not a de Polignac number, because 5653565 - 2¹⁰ = 5652541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2699 + ... + 4311.

It is an arithmetic number, because the mean of its divisors is an integer number (849771).

Almost surely, 2^5653565 is an apocalyptic number.

It is an amenable number.

5653565 is a deficient number, since it is larger than the sum of its proper divisors (1144603).

5653565 is a wasteful number, since it uses less digits than its factorization.

5653565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319.

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

The square root of 5653565 is about 2377.7226499321. The cubic root of 5653565 is about 178.1452019767.

The spelling of 5653565 in words is "five million, six hundred fifty-three thousand, five hundred sixty-five".