552442320 has 240 divisors, whose sum is σ = 1955446272. Its totient is φ = 139576320.

The previous prime is 552442259. The next prime is 552442321. The reversal of 552442320 is 23244255.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552442321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1182727 + ... + 1183193.

Almost surely, 2^552442320 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 552442320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (977723136).

552442320 is an abundant number, since it is smaller than the sum of its proper divisors (1403003952).

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

552442320 is a wasteful number, since it uses less digits than its factorization.

552442320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 552442320 is about 23504.0915587053. The cubic root of 552442320 is about 820.5322342836.

Adding to 552442320 its reverse (23244255), we get a palindrome (575686575).

The spelling of 552442320 in words is "five hundred fifty-two million, four hundred forty-two thousand, three hundred twenty".