5530561 has 4 divisors (see below), whose sum is σ = 5721300. Its totient is φ = 5339824.

The previous prime is 5530543. The next prime is 5530571. The reversal of 5530561 is 1650355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1040400 + 4490161 = 1020^2 + 2119^2 .

It is a cyclic number.

It is not a de Polignac number, because 5530561 - 2⁵ = 5530529 is a prime.

It is a Duffinian number.

5530561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5530541) 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, 95326 + ... + 95383.

It is an arithmetic number, because the mean of its divisors is an integer number (1430325).

Almost surely, 2^5530561 is an apocalyptic number.

It is an amenable number.

5530561 is a deficient number, since it is larger than the sum of its proper divisors (190739).

5530561 is a wasteful number, since it uses less digits than its factorization.

5530561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190738.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 5530561 is about 2351.7144809692. The cubic root of 5530561 is about 176.8437554220.

The spelling of 5530561 in words is "five million, five hundred thirty thousand, five hundred sixty-one".