550008816 has 40 divisors (see below), whose sum is σ = 1623836544. Its totient is φ = 157145280.

The previous prime is 550008799. The next prime is 550008817. The reversal of 550008816 is 618800055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550008817) 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, 818130 + ... + 818801.

Almost surely, 2^550008816 is an apocalyptic number.

550008816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

550008816 is an abundant number, since it is smaller than the sum of its proper divisors (1073827728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550008816 is a wasteful number, since it uses less digits than its factorization.

550008816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636949 (or 1636943 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 550008816 is about 23452.2667561155. The cubic root of 550008816 is about 819.3256482356.

The spelling of 550008816 in words is "five hundred fifty million, eight thousand, eight hundred sixteen".