5558144 has 32 divisors (see below), whose sum is σ = 11181240. Its totient is φ = 2752000.

The previous prime is 5558143. The next prime is 5558191. The reversal of 5558144 is 4418555.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 5558144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5558143) 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, 22019 + ... + 22269.

Almost surely, 2^5558144 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 5558144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5590620).

5558144 is an abundant number, since it is smaller than the sum of its proper divisors (5623096).

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

5558144 is a wasteful number, since it uses less digits than its factorization.

5558144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 426 counting only the distinct ones).

The product of its digits is 16000, while the sum is 32.

The square root of 5558144 is about 2357.5716319976. The cubic root of 5558144 is about 177.1372635863.

The spelling of 5558144 in words is "five million, five hundred fifty-eight thousand, one hundred forty-four".