550505669 has 8 divisors (see below), whose sum is σ = 631783680. Its totient is φ = 469886256.

The previous prime is 550505653. The next prime is 550505707. The reversal of 550505669 is 966505055.

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

It is not a de Polignac number, because 550505669 - 2⁴ = 550505653 is a prime.

It is a super-2 number, since 2×550505669² = 606112983202275122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550505269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162854 + ... + 166199.

It is an arithmetic number, because the mean of its divisors is an integer number (78972960).

Almost surely, 2^550505669 is an apocalyptic number.

It is an amenable number.

550505669 is a deficient number, since it is larger than the sum of its proper divisors (81278011).

550505669 is a wasteful number, since it uses less digits than its factorization.

550505669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329299.

The product of its (nonzero) digits is 202500, while the sum is 41.

The square root of 550505669 is about 23462.8572215747. The cubic root of 550505669 is about 819.5722878503.

The spelling of 550505669 in words is "five hundred fifty million, five hundred five thousand, six hundred sixty-nine".