550505506 has 24 divisors (see below), whose sum is σ = 909425664. Its totient is φ = 249420600.

The previous prime is 550505497. The next prime is 550505507. The reversal of 550505506 is 605505055.

It is not an unprimeable number, because it can be changed into a prime (550505507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31 + ... + 33181.

It is an arithmetic number, because the mean of its divisors is an integer number (37892736).

Almost surely, 2^550505506 is an apocalyptic number.

550505506 is a deficient number, since it is larger than the sum of its proper divisors (358920158).

550505506 is a wasteful number, since it uses less digits than its factorization.

550505506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33214 (or 33195 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 550505506 is about 23462.8537479992. The cubic root of 550505506 is about 819.5722069608.

The spelling of 550505506 in words is "five hundred fifty million, five hundred five thousand, five hundred six".