550665069 has 4 divisors (see below), whose sum is σ = 734220096. Its totient is φ = 367110044.

The previous prime is 550665001. The next prime is 550665083. The reversal of 550665069 is 960566055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 550665069 - 2⁷ = 550664941 is a prime.

It is a super-2 number, since 2×550665069² = 606464036433549522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550665069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550665469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91777509 + ... + 91777514.

It is an arithmetic number, because the mean of its divisors is an integer number (183555024).

Almost surely, 2^550665069 is an apocalyptic number.

It is an amenable number.

550665069 is a deficient number, since it is larger than the sum of its proper divisors (183555027).

550665069 is a wasteful number, since it uses less digits than its factorization.

550665069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183555026.

The product of its (nonzero) digits is 243000, while the sum is 42.

The square root of 550665069 is about 23466.2538339634. The cubic root of 550665069 is about 819.6513831397.

The spelling of 550665069 in words is "five hundred fifty million, six hundred sixty-five thousand, sixty-nine".