552544420 has 24 divisors (see below), whose sum is σ = 1160994744. Its totient is φ = 220893696.

The previous prime is 552544417. The next prime is 552544429. The reversal of 552544420 is 24445255.

It can be written as a sum of positive squares in 4 ways, for example, as 236913664 + 315630756 = 15392^2 + 17766^2 .

It is not an unprimeable number, because it can be changed into a prime (552544429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34332 + ... + 47788.

It is an arithmetic number, because the mean of its divisors is an integer number (48374781).

Almost surely, 2^552544420 is an apocalyptic number.

It is an amenable number.

552544420 is an abundant number, since it is smaller than the sum of its proper divisors (608450324).

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

552544420 is a wasteful number, since it uses less digits than its factorization.

552544420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15519 (or 15517 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 552544420 is about 23506.2634206290. The cubic root of 552544420 is about 820.5827802426.

Adding to 552544420 its reverse (24445255), we get a palindrome (576989675).

The spelling of 552544420 in words is "five hundred fifty-two million, five hundred forty-four thousand, four hundred twenty".