550571990800 has 480 divisors, whose sum is σ = 1571530526720. Its totient is φ = 183526041600.

The previous prime is 550571990791. The next prime is 550571990807. The reversal of 550571990800 is 8099175055.

It is not an unprimeable number, because it can be changed into a prime (550571990807) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 205206259 + ... + 205208941.

Almost surely, 2^550571990800 is an apocalyptic number.

550571990800 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 550571990800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785765263360).

550571990800 is an abundant number, since it is smaller than the sum of its proper divisors (1020958535920).

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

550571990800 is a wasteful number, since it uses less digits than its factorization.

550571990800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831 (or 2820 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 49.

The spelling of 550571990800 in words is "five hundred fifty billion, five hundred seventy-one million, nine hundred ninety thousand, eight hundred".