552443509 has 16 divisors (see below), whose sum is σ = 611566848. Its totient is φ = 496367872.

The previous prime is 552443503. The next prime is 552443531. The reversal of 552443509 is 905344255.

It is a cyclic number.

It is not a de Polignac number, because 552443509 - 2⁹ = 552442997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552443503) 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, 263664 + ... + 265750.

It is an arithmetic number, because the mean of its divisors is an integer number (38222928).

Almost surely, 2^552443509 is an apocalyptic number.

It is an amenable number.

552443509 is a deficient number, since it is larger than the sum of its proper divisors (59123339).

552443509 is a wasteful number, since it uses less digits than its factorization.

552443509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 552443509 is about 23504.1168521602. The cubic root of 552443509 is about 820.5328229496.

The spelling of 552443509 in words is "five hundred fifty-two million, four hundred forty-three thousand, five hundred nine".