552618809 has 16 divisors (see below), whose sum is σ = 586137600. Its totient is φ = 520156224.

The previous prime is 552618761. The next prime is 552618811. The reversal of 552618809 is 908816255.

It is a cyclic number.

It is not a de Polignac number, because 552618809 - 2¹⁶ = 552553273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 552618809.

It is not an unprimeable number, because it can be changed into a prime (552618109) 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, 431432 + ... + 432710.

It is an arithmetic number, because the mean of its divisors is an integer number (36633600).

Almost surely, 2^552618809 is an apocalyptic number.

It is an amenable number.

552618809 is a deficient number, since it is larger than the sum of its proper divisors (33518791).

552618809 is a wasteful number, since it uses less digits than its factorization.

552618809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 552618809 is about 23507.8456903222. The cubic root of 552618809 is about 820.6196035827.

The spelling of 552618809 in words is "five hundred fifty-two million, six hundred eighteen thousand, eight hundred nine".