555000800 has 72 divisors (see below), whose sum is σ = 1360459800. Its totient is φ = 221089280.

The previous prime is 555000799. The next prime is 555000857. The reversal of 555000800 is 8000555.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213911 + ... + 216489.

It is an arithmetic number, because the mean of its divisors is an integer number (18895275).

Almost surely, 2^555000800 is an apocalyptic number.

555000800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555000800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680229900).

555000800 is an abundant number, since it is smaller than the sum of its proper divisors (805459000).

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

555000800 is a wasteful number, since it uses less digits than its factorization.

555000800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868 (or 2855 counting only the distinct ones).

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

The square root of 555000800 is about 23558.4549578278. The cubic root of 555000800 is about 821.7969713447.

The spelling of 555000800 in words is "five hundred fifty-five million, eight hundred", and thus it is an aban number.