5560661 has 4 divisors (see below), whose sum is σ = 5614752. Its totient is φ = 5506572.

The previous prime is 5560637. The next prime is 5560679. The reversal of 5560661 is 1660655.

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 a de Polignac number, because none of the positive numbers 2^k-5560661 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 (5560361) 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, 26891 + ... + 27096.

It is an arithmetic number, because the mean of its divisors is an integer number (1403688).

Almost surely, 2^5560661 is an apocalyptic number.

It is an amenable number.

5560661 is a deficient number, since it is larger than the sum of its proper divisors (54091).

5560661 is a wasteful number, since it uses less digits than its factorization.

5560661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54090.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 5560661 is about 2358.1053835654. The cubic root of 5560661 is about 177.1639983625.

The spelling of 5560661 in words is "five million, five hundred sixty thousand, six hundred sixty-one".