5547561 has 4 divisors (see below), whose sum is σ = 7396752. Its totient is φ = 3698372.

The previous prime is 5547557. The next prime is 5547569. The reversal of 5547561 is 1657455.

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 not a de Polignac number, because 5547561 - 2² = 5547557 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5547569) 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, 924591 + ... + 924596.

It is an arithmetic number, because the mean of its divisors is an integer number (1849188).

Almost surely, 2^5547561 is an apocalyptic number.

It is an amenable number.

5547561 is a deficient number, since it is larger than the sum of its proper divisors (1849191).

5547561 is a wasteful number, since it uses less digits than its factorization.

5547561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849190.

The product of its digits is 21000, while the sum is 33.

The square root of 5547561 is about 2355.3260920730. The cubic root of 5547561 is about 177.0247659176.

The spelling of 5547561 in words is "five million, five hundred forty-seven thousand, five hundred sixty-one".