552030321 has 4 divisors (see below), whose sum is σ = 736040432. Its totient is φ = 368020212.

The previous prime is 552030319. The next prime is 552030329. The reversal of 552030321 is 123030255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 552030321 - 2¹ = 552030319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552030329) 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 3 ways as a sum of consecutive naturals, for example, 92005051 + ... + 92005056.

It is an arithmetic number, because the mean of its divisors is an integer number (184010108).

Almost surely, 2^552030321 is an apocalyptic number.

It is an amenable number.

552030321 is a deficient number, since it is larger than the sum of its proper divisors (184010111).

552030321 is a wasteful number, since it uses less digits than its factorization.

552030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184010110.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 552030321 is about 23495.3255138123. The cubic root of 552030321 is about 820.3282054216.

Adding to 552030321 its reverse (123030255), we get a palindrome (675060576).

The spelling of 552030321 in words is "five hundred fifty-two million, thirty thousand, three hundred twenty-one".