552135220 has 48 divisors (see below), whose sum is σ = 1427061888. Its totient is φ = 174741120.

The previous prime is 552135211. The next prime is 552135223. The reversal of 552135220 is 22531255.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552135223) 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 15 ways as a sum of consecutive naturals, for example, 149866 + ... + 153505.

It is an arithmetic number, because the mean of its divisors is an integer number (29730456).

Almost surely, 2^552135220 is an apocalyptic number.

It is an amenable number.

552135220 is an abundant number, since it is smaller than the sum of its proper divisors (874926668).

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

552135220 is a wasteful number, since it uses less digits than its factorization.

552135220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303400 (or 303398 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 552135220 is about 23497.5577454339. The cubic root of 552135220 is about 820.3801628082.

Adding to 552135220 its reverse (22531255), we get a palindrome (574666475).

The spelling of 552135220 in words is "five hundred fifty-two million, one hundred thirty-five thousand, two hundred twenty".