552078309 has 16 divisors (see below), whose sum is σ = 753822720. Its totient is φ = 359236080.

The previous prime is 552078283. The next prime is 552078323. The reversal of 552078309 is 903870255.

It is not a de Polignac number, because 552078309 - 2⁹ = 552077797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552078209) 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, 48274 + ... + 58604.

It is an arithmetic number, because the mean of its divisors is an integer number (47113920).

Almost surely, 2^552078309 is an apocalyptic number.

It is an amenable number.

552078309 is a deficient number, since it is larger than the sum of its proper divisors (201744411).

552078309 is a wasteful number, since it uses less digits than its factorization.

552078309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10760.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 552078309 is about 23496.3467160323. The cubic root of 552078309 is about 820.3519751119.

The spelling of 552078309 in words is "five hundred fifty-two million, seventy-eight thousand, three hundred nine".