5767561 has 4 divisors (see below), whose sum is σ = 5853712. Its totient is φ = 5681412.

The previous prime is 5767529. The next prime is 5767577. The reversal of 5767561 is 1657675.

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 5767561 - 2⁵ = 5767529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5767561.

It is not an unprimeable number, because it can be changed into a prime (5767501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42975 + ... + 43108.

It is an arithmetic number, because the mean of its divisors is an integer number (1463428).

Almost surely, 2^5767561 is an apocalyptic number.

It is an amenable number.

5767561 is a deficient number, since it is larger than the sum of its proper divisors (86151).

5767561 is an equidigital number, since it uses as much as digits as its factorization.

5767561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86150.

The product of its digits is 44100, while the sum is 37.

The square root of 5767561 is about 2401.5746917387. The cubic root of 5767561 is about 179.3345905241.

It can be divided in two parts, 5767 and 561, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 5767561 in words is "five million, seven hundred sixty-seven thousand, five hundred sixty-one".