5561544 has 32 divisors (see below), whose sum is σ = 14281920. Its totient is φ = 1803456.

The previous prime is 5561537. The next prime is 5561579. The reversal of 5561544 is 4451655.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2244 + ... + 4019.

It is an arithmetic number, because the mean of its divisors is an integer number (446310).

Almost surely, 2^5561544 is an apocalyptic number.

It is an amenable number.

5561544 is an abundant number, since it is smaller than the sum of its proper divisors (8720376).

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

5561544 is a wasteful number, since it uses less digits than its factorization.

5561544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309 (or 6305 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 5561544 is about 2358.2926027107. The cubic root of 5561544 is about 177.1733753971.

It can be divided in two parts, 5561 and 544, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 5561544 in words is "five million, five hundred sixty-one thousand, five hundred forty-four".