552240 has 120 divisors (see below), whose sum is σ = 2031120. Its totient is φ = 133632.

The previous prime is 552239. The next prime is 552241. The reversal of 552240 is 42255.

It is an interprime number because it is at equal distance from previous prime (552239) and next prime (552241).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (552241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9331 + ... + 9389.

It is an arithmetic number, because the mean of its divisors is an integer number (16926).

2⁵⁵²²⁴⁰ 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 552240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015560).

552240 is an abundant number, since it is smaller than the sum of its proper divisors (1478880).

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

552240 is a wasteful number, since it uses less digits than its factorization.

552240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 552240 is about 743.1285218588. The cubic root of 552240 is about 82.0432054684.

Adding to 552240 its reverse (42255), we get a palindrome (594495).

The spelling of 552240 in words is "five hundred fifty-two thousand, two hundred forty".