5755609 has 4 divisors (see below), whose sum is σ = 5911204. Its totient is φ = 5600016.

The previous prime is 5755583. The next prime is 5755649. The reversal of 5755609 is 9065575.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4995225 + 760384 = 2235^2 + 872^2 .

It is a cyclic number.

It is not a de Polignac number, because 5755609 - 2⁵ = 5755577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 155557 = 5755609 / (5 + 7 + 5 + 5 + 6 + 0 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5755649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77742 + ... + 77815.

It is an arithmetic number, because the mean of its divisors is an integer number (1477801).

Almost surely, 2^5755609 is an apocalyptic number.

It is an amenable number.

5755609 is a deficient number, since it is larger than the sum of its proper divisors (155595).

5755609 is a wasteful number, since it uses less digits than its factorization.

5755609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155594.

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 5755609 is about 2399.0850339244. The cubic root of 5755609 is about 179.2106277079.

The spelling of 5755609 in words is "five million, seven hundred fifty-five thousand, six hundred nine".