552055321 has 2 divisors, whose sum is σ = 552055322. Its totient is φ = 552055320.

The previous prime is 552055291. The next prime is 552055333. The reversal of 552055321 is 123550255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368832025 + 183223296 = 19205^2 + 13536^2 .

It is a cyclic number.

It is not a de Polignac number, because 552055321 - 2⁵ = 552055289 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 552055321.

It is not a weakly prime, because it can be changed into another prime (552055381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276027660 + 276027661.

It is an arithmetic number, because the mean of its divisors is an integer number (276027661).

Almost surely, 2^552055321 is an apocalyptic number.

It is an amenable number.

552055321 is a deficient number, since it is larger than the sum of its proper divisors (1).

552055321 is an equidigital number, since it uses as much as digits as its factorization.

552055321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 552055321 is about 23495.8575285091. The cubic root of 552055321 is about 820.3405887363.

The spelling of 552055321 in words is "five hundred fifty-two million, fifty-five thousand, three hundred twenty-one".