552251321 has 16 divisors (see below), whose sum is σ = 627523200. Its totient is φ = 483170688.

The previous prime is 552251311. The next prime is 552251327. The reversal of 552251321 is 123152255.

It is a cyclic number.

It is not a de Polignac number, because 552251321 - 2¹⁴ = 552234937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552251327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9116 + ... + 34461.

It is an arithmetic number, because the mean of its divisors is an integer number (39220200).

Almost surely, 2^552251321 is an apocalyptic number.

It is an amenable number.

552251321 is a deficient number, since it is larger than the sum of its proper divisors (75271879).

552251321 is a wasteful number, since it uses less digits than its factorization.

552251321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43648.

The product of its digits is 3000, while the sum is 26.

The square root of 552251321 is about 23500.0281063662. The cubic root of 552251321 is about 820.4376609708.

The spelling of 552251321 in words is "five hundred fifty-two million, two hundred fifty-one thousand, three hundred twenty-one".