5757561 has 10 divisors (see below), whose sum is σ = 8600922. Its totient is φ = 3838320.

The previous prime is 5757559. The next prime is 5757569. The reversal of 5757561 is 1657575.

It can be written as a sum of positive squares in only one way, i.e., 5475600 + 281961 = 2340^2 + 531^2 .

It is not a de Polignac number, because 5757561 - 2¹ = 5757559 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5757569) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35460 + ... + 35621.

Almost surely, 2^5757561 is an apocalyptic number.

It is an amenable number.

5757561 is a deficient number, since it is larger than the sum of its proper divisors (2843361).

5757561 is an equidigital number, since it uses as much as digits as its factorization.

5757561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71093 (or 71084 counting only the distinct ones).

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

The square root of 5757561 is about 2399.4918211988. The cubic root of 5757561 is about 179.2308850260.

The spelling of 5757561 in words is "five million, seven hundred fifty-seven thousand, five hundred sixty-one".