5481728 has 108 divisors (see below), whose sum is σ = 13980960. Its totient is φ = 2128896.

The previous prime is 5481727. The next prime is 5481733. The reversal of 5481728 is 8271845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5481727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238325 + ... + 238347.

Almost surely, 2^5481728 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 5481728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6990480).

5481728 is an abundant number, since it is smaller than the sum of its proper divisors (8499232).

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

5481728 is a wasteful number, since it uses less digits than its factorization.

5481728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 51 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 5481728 is about 2341.3090355611. The cubic root of 5481728 is about 176.3217255813.

It can be divided in two parts, 54817 and 28, that added together give a palindrome (54845).

The spelling of 5481728 in words is "five million, four hundred eighty-one thousand, seven hundred twenty-eight".