5561844 has 24 divisors (see below), whose sum is σ = 13033440. Its totient is φ = 1845984.

The previous prime is 5561821. The next prime is 5561849. The reversal of 5561844 is 4481655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2367 + ... + 4089.

It is an arithmetic number, because the mean of its divisors is an integer number (543060).

Almost surely, 2^5561844 is an apocalyptic number.

It is an amenable number.

5561844 is an abundant number, since it is smaller than the sum of its proper divisors (7471596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5561844 is a wasteful number, since it uses less digits than its factorization.

5561844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999 (or 1997 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 5561844 is about 2358.3562071918. The cubic root of 5561844 is about 177.1765610266.

The spelling of 5561844 in words is "five million, five hundred sixty-one thousand, eight hundred forty-four".