550650665 has 8 divisors (see below), whose sum is σ = 660912000. Its totient is φ = 440433072.

The previous prime is 550650649. The next prime is 550650671. The reversal of 550650665 is 566056055.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 550650665 - 2⁴ = 550650649 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32336 + ... + 46334.

It is an arithmetic number, because the mean of its divisors is an integer number (82614000).

Almost surely, 2^550650665 is an apocalyptic number.

It is an amenable number.

550650665 is a deficient number, since it is larger than the sum of its proper divisors (110261335).

550650665 is a wasteful number, since it uses less digits than its factorization.

550650665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21871.

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 550650665 is about 23465.9469231480. The cubic root of 550650665 is about 819.6442364111.

The spelling of 550650665 in words is "five hundred fifty million, six hundred fifty thousand, six hundred sixty-five".