552685218 has 8 divisors (see below), whose sum is σ = 1105370448. Its totient is φ = 184228404.

The previous prime is 552685187. The next prime is 552685247. The reversal of 552685218 is 812586255.

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

552685218 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 552685218.

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 3 ways as a sum of consecutive naturals, for example, 46057096 + ... + 46057107.

It is an arithmetic number, because the mean of its divisors is an integer number (138171306).

Almost surely, 2^552685218 is an apocalyptic number.

552685218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

552685218 is a wasteful number, since it uses less digits than its factorization.

552685218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92114208.

The product of its digits is 192000, while the sum is 42.

The square root of 552685218 is about 23509.2581337651. The cubic root of 552685218 is about 820.6524739468.

The spelling of 552685218 in words is "five hundred fifty-two million, six hundred eighty-five thousand, two hundred eighteen".