5683561 has 16 divisors (see below), whose sum is σ = 6377616. Its totient is φ = 5031936.

The previous prime is 5683549. The next prime is 5683577. The reversal of 5683561 is 1653865.

It can be written as a sum of positive squares in 8 ways, for example, as 755161 + 4928400 = 869^2 + 2220^2 .

It is not a de Polignac number, because 5683561 - 2¹⁵ = 5650793 is a prime.

It is a Duffinian number.

5683561 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5683501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50241 + ... + 50353.

It is an arithmetic number, because the mean of its divisors is an integer number (398601).

Almost surely, 2^5683561 is an apocalyptic number.

It is an amenable number.

5683561 is a deficient number, since it is larger than the sum of its proper divisors (694055).

5683561 is a wasteful number, since it uses less digits than its factorization.

5683561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its digits is 21600, while the sum is 34.

The square root of 5683561 is about 2384.0220217104. The cubic root of 5683561 is about 178.4597068177.

It can be divided in two parts, 5 and 683561, that multiplied together give a triangular number (3417805 = T₂₆₁₄).

The spelling of 5683561 in words is "five million, six hundred eighty-three thousand, five hundred sixty-one".