5635565 has 16 divisors (see below), whose sum is σ = 7332528. Its totient is φ = 4133376.

The previous prime is 5635561. The next prime is 5635589. The reversal of 5635565 is 5655365.

It can be written as a sum of positive squares in 8 ways, for example, as 2886601 + 2748964 = 1699^2 + 1658^2 .

It is not a de Polignac number, because 5635565 - 2² = 5635561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5635561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17849 + ... + 18161.

It is an arithmetic number, because the mean of its divisors is an integer number (458283).

Almost surely, 2^5635565 is an apocalyptic number.

It is an amenable number.

5635565 is a deficient number, since it is larger than the sum of its proper divisors (1696963).

5635565 is a wasteful number, since it uses less digits than its factorization.

5635565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608.

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

The square root of 5635565 is about 2373.9344978327. The cubic root of 5635565 is about 177.9559395217.

The spelling of 5635565 in words is "five million, six hundred thirty-five thousand, five hundred sixty-five".