552040 has 32 divisors (see below), whose sum is σ = 1279080. Its totient is φ = 214272.

The previous prime is 552031. The next prime is 552047. The reversal of 552040 is 40255.

It is a happy number.

552040 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 4 ways, for example, as 527076 + 24964 = 726^2 + 158^2 .

It is not an unprimeable number, because it can be changed into a prime (552047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294 + ... + 1666.

2⁵⁵²⁰⁴⁰ 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 552040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639540).

552040 is an abundant number, since it is smaller than the sum of its proper divisors (727040).

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

552040 is a wasteful number, since it uses less digits than its factorization.

552040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 552040 is about 742.9939434477. The cubic root of 552040 is about 82.0332999790.

Adding to 552040 its reverse (40255), we get a palindrome (592295).

The spelling of 552040 in words is "five hundred fifty-two thousand, forty".