5605545565 has 8 divisors (see below), whose sum is σ = 6763819608. Its totient is φ = 4459659840.

The previous prime is 5605545557. The next prime is 5605545577. The reversal of 5605545565 is 5655455065.

It can be written as a sum of positive squares in 4 ways, for example, as 2424249 + 5603121316 = 1557^2 + 74854^2 .

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

It is not a de Polignac number, because 5605545565 - 2³ = 5605545557 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3096082 + ... + 3097891.

It is an arithmetic number, because the mean of its divisors is an integer number (845477451).

Almost surely, 2^5605545565 is an apocalyptic number.

It is an amenable number.

5605545565 is a deficient number, since it is larger than the sum of its proper divisors (1158274043).

5605545565 is a wasteful number, since it uses less digits than its factorization.

5605545565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194159.

The product of its (nonzero) digits is 2250000, while the sum is 46.

The square root of 5605545565 is about 74870.1914315704. The cubic root of 5605545565 is about 1776.3939921630.

The spelling of 5605545565 in words is "five billion, six hundred five million, five hundred forty-five thousand, five hundred sixty-five".