551665652 has 12 divisors (see below), whose sum is σ = 965954976. Its totient is φ = 275678520.

The previous prime is 551665633. The next prime is 551665679. The reversal of 551665652 is 256566155.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 30338 + ... + 44985.

It is an arithmetic number, because the mean of its divisors is an integer number (80496248).

Almost surely, 2^551665652 is an apocalyptic number.

It is an amenable number.

551665652 is a deficient number, since it is larger than the sum of its proper divisors (414289324).

551665652 is a wasteful number, since it uses less digits than its factorization.

551665652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77158 (or 77156 counting only the distinct ones).

The product of its digits is 270000, while the sum is 41.

The square root of 551665652 is about 23487.5637731971. The cubic root of 551665652 is about 820.1475304652.

The spelling of 551665652 in words is "five hundred fifty-one million, six hundred sixty-five thousand, six hundred fifty-two".