550665475 has 12 divisors (see below), whose sum is σ = 683160640. Its totient is φ = 440316000.

The previous prime is 550665473. The next prime is 550665481. The reversal of 550665475 is 574566055.

It is not a de Polignac number, because 550665475 - 2¹ = 550665473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550665473) 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 11 ways as a sum of consecutive naturals, for example, 63925 + ... + 72025.

Almost surely, 2^550665475 is an apocalyptic number.

550665475 is a deficient number, since it is larger than the sum of its proper divisors (132495165).

550665475 is a wasteful number, since it uses less digits than its factorization.

550665475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10830 (or 10825 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 43.

The square root of 550665475 is about 23466.2624846821. The cubic root of 550665475 is about 819.6515845800.

The spelling of 550665475 in words is "five hundred fifty million, six hundred sixty-five thousand, four hundred seventy-five".