550005800 has 24 divisors (see below), whose sum is σ = 1278763950. Its totient is φ = 220002240.

The previous prime is 550005779. The next prime is 550005823. The reversal of 550005800 is 8500055.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 301439044 + 248566756 = 17362^2 + 15766^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1374815 + ... + 1375214.

Almost surely, 2^550005800 is an apocalyptic number.

550005800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550005800 is an abundant number, since it is smaller than the sum of its proper divisors (728758150).

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

550005800 is a wasteful number, since it uses less digits than its factorization.

550005800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750045 (or 2750036 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 550005800 is about 23452.2024552066. The cubic root of 550005800 is about 819.3241506289.

Adding to 550005800 its reverse (8500055), we get a palindrome (558505855).

The spelling of 550005800 in words is "five hundred fifty million, five thousand, eight hundred".