550008305 has 16 divisors (see below), whose sum is σ = 822870144. Its totient is φ = 342862080.

The previous prime is 550008301. The next prime is 550008331. The reversal of 550008305 is 503800055.

It is not a de Polignac number, because 550008305 - 2² = 550008301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (550008301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713912 + ... + 714681.

It is an arithmetic number, because the mean of its divisors is an integer number (51429384).

Almost surely, 2^550008305 is an apocalyptic number.

550008305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550008305 is a deficient number, since it is larger than the sum of its proper divisors (272861839).

550008305 is a wasteful number, since it uses less digits than its factorization.

550008305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428616.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 550008305 is about 23452.2558616437. The cubic root of 550008305 is about 819.3253944970.

The spelling of 550008305 in words is "five hundred fifty million, eight thousand, three hundred five".