5756809 has 4 divisors (see below), whose sum is σ = 5829760. Its totient is φ = 5683860.

The previous prime is 5756801. The next prime is 5756833. The reversal of 5756809 is 9086575.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5756809 - 2³ = 5756801 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 (5756801) 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, 36357 + ... + 36514.

It is an arithmetic number, because the mean of its divisors is an integer number (1457440).

Almost surely, 2^5756809 is an apocalyptic number.

It is an amenable number.

5756809 is a deficient number, since it is larger than the sum of its proper divisors (72951).

5756809 is an equidigital number, since it uses as much as digits as its factorization.

5756809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72950.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 5756809 is about 2399.3351162353. The cubic root of 5756809 is about 179.2230815195.

The spelling of 5756809 in words is "five million, seven hundred fifty-six thousand, eight hundred nine".