5661583 has 8 divisors (see below), whose sum is σ = 5892480. Its totient is φ = 5433120.

The previous prime is 5661559. The next prime is 5661587. The reversal of 5661583 is 3851665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5661583 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 (5661587) 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 7 ways as a sum of consecutive naturals, for example, 5218 + ... + 6208.

It is an arithmetic number, because the mean of its divisors is an integer number (736560).

Almost surely, 2^5661583 is an apocalyptic number.

5661583 is a deficient number, since it is larger than the sum of its proper divisors (230897).

5661583 is a wasteful number, since it uses less digits than its factorization.

5661583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217.

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

The square root of 5661583 is about 2379.4081196802. The cubic root of 5661583 is about 178.2293785693.

The spelling of 5661583 in words is "five million, six hundred sixty-one thousand, five hundred eighty-three".