5771565 has 12 divisors (see below), whose sum is σ = 10004124. Its totient is φ = 3078144.

The previous prime is 5771543. The next prime is 5771567. The reversal of 5771565 is 5651775.

It can be written as a sum of positive squares in 2 ways, for example, as 4076361 + 1695204 = 2019^2 + 1302^2 .

It is not a de Polignac number, because 5771565 - 2⁶ = 5771501 is a prime.

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

5771565 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5771567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64084 + ... + 64173.

It is an arithmetic number, because the mean of its divisors is an integer number (833677).

Almost surely, 2^5771565 is an apocalyptic number.

It is an amenable number.

5771565 is a deficient number, since it is larger than the sum of its proper divisors (4232559).

5771565 is a wasteful number, since it uses less digits than its factorization.

5771565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128268 (or 128265 counting only the distinct ones).

The product of its digits is 36750, while the sum is 36.

The square root of 5771565 is about 2402.4081668193. The cubic root of 5771565 is about 179.3760805982.

It can be divided in two parts, 5771 and 565, that added together give a palindrome (6336).

The spelling of 5771565 in words is "five million, seven hundred seventy-one thousand, five hundred sixty-five".