5549544 has 216 divisors, whose sum is σ = 20696130. Its totient is φ = 1330560.

The previous prime is 5549483. The next prime is 5549561. The reversal of 5549544 is 4459455.

It can be written as a sum of positive squares in only one way, i.e., 5336100 + 213444 = 2310^2 + 462^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (72000) is a multiple of the sum of its prime divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 5549499 and 5549508.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 426882 + ... + 426894.

Almost surely, 2^5549544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5549544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10348065).

5549544 is an abundant number, since it is smaller than the sum of its proper divisors (15146586).

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

5549544 is a wasteful number, since it uses less digits than its factorization.

5549544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 36 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 5549544 is about 2355.7470152799. The cubic root of 5549544 is about 177.0458561644.

The spelling of 5549544 in words is "five million, five hundred forty-nine thousand, five hundred forty-four".