552646865 has 8 divisors (see below), whose sum is σ = 672261288. Its totient is φ = 436060800.

The previous prime is 552646859. The next prime is 552646867. The reversal of 552646865 is 568646255.

It can be written as a sum of positive squares in 4 ways, for example, as 209323024 + 343323841 = 14468^2 + 18529^2 .

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

It is not a de Polignac number, because 552646865 - 2²² = 548452561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (552646867) 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 7 ways as a sum of consecutive naturals, for example, 756686 + ... + 757415.

It is an arithmetic number, because the mean of its divisors is an integer number (84032661).

Almost surely, 2^552646865 is an apocalyptic number.

It is an amenable number.

552646865 is a deficient number, since it is larger than the sum of its proper divisors (119614423).

552646865 is a wasteful number, since it uses less digits than its factorization.

552646865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514179.

The product of its digits is 1728000, while the sum is 47.

The square root of 552646865 is about 23508.4424196925. The cubic root of 552646865 is about 820.6334907406.

The spelling of 552646865 in words is "five hundred fifty-two million, six hundred forty-six thousand, eight hundred sixty-five".