550015549800 has 96 divisors (see below), whose sum is σ = 1722626203200. Its totient is φ = 145158727680.

The previous prime is 550015549753. The next prime is 550015549801. The reversal of 550015549800 is 8945510055.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (550015549801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4667020 + ... + 4783419.

It is an arithmetic number, because the mean of its divisors is an integer number (17944022950).

Almost surely, 2^550015549800 is an apocalyptic number.

550015549800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550015549800 is an abundant number, since it is smaller than the sum of its proper divisors (1172610653400).

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

550015549800 is a wasteful number, since it uses less digits than its factorization.

550015549800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9450555 (or 9450546 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 42.

The spelling of 550015549800 in words is "five hundred fifty billion, fifteen million, five hundred forty-nine thousand, eight hundred".