550304296800 has 144 divisors (see below), whose sum is σ = 1800523040400. Its totient is φ = 145987338240.

The previous prime is 550304296783. The next prime is 550304296807. The reversal of 550304296800 is 8692403055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550304296807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130825 + ... + 1057224.

It is an arithmetic number, because the mean of its divisors is an integer number (12503632225).

Almost surely, 2^550304296800 is an apocalyptic number.

550304296800 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 550304296800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900261520200).

550304296800 is an abundant number, since it is smaller than the sum of its proper divisors (1250218743600).

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

550304296800 is a wasteful number, since it uses less digits than its factorization.

550304296800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188265 (or 1188252 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

Adding to 550304296800 its reverse (8692403055), we get a palindrome (558996699855).

The spelling of 550304296800 in words is "five hundred fifty billion, three hundred four million, two hundred ninety-six thousand, eight hundred".