552138305 has 8 divisors (see below), whose sum is σ = 664925544. Its totient is φ = 440137600.

The previous prime is 552138287. The next prime is 552138319. The reversal of 552138305 is 503831255.

552138305 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9388096 + 542750209 = 3064^2 + 23297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 552138305 - 2⁸ = 552138049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 195086 + ... + 197895.

It is an arithmetic number, because the mean of its divisors is an integer number (83115693).

Almost surely, 2^552138305 is an apocalyptic number.

It is an amenable number.

552138305 is a deficient number, since it is larger than the sum of its proper divisors (112787239).

552138305 is a wasteful number, since it uses less digits than its factorization.

552138305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393267.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 552138305 is about 23497.6233904623. The cubic root of 552138305 is about 820.3816907359.

The spelling of 552138305 in words is "five hundred fifty-two million, one hundred thirty-eight thousand, three hundred five".