552728 has 24 divisors (see below), whose sum is σ = 1141140. Its totient is φ = 250800.

The previous prime is 552709. The next prime is 552731. The reversal of 552728 is 827255.

It is a self number, because there is not a number n which added to its sum of digits gives 552728.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 552728.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 683 + ... + 1253.

2⁵⁵²⁷²⁸ 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 552728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570570).

552728 is an abundant number, since it is smaller than the sum of its proper divisors (588412).

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

552728 is a wasteful number, since it uses less digits than its factorization.

552728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 584 counting only the distinct ones).

The product of its digits is 5600, while the sum is 29.

The square root of 552728 is about 743.4567909435. The cubic root of 552728 is about 82.0673648295.

It can be divided in two parts, 5527 and 28, that added together give a palindrome (5555).

The spelling of 552728 in words is "five hundred fifty-two thousand, seven hundred twenty-eight".