55003330800 has 480 divisors, whose sum is σ = 216609707520. Its totient is φ = 13144320000.

The previous prime is 55003330771. The next prime is 55003330813. The reversal of 55003330800 is 803330055.

55003330800 is a `hidden beast` number, since 550 + 0 + 3 + 3 + 30 + 80 + 0 = 666.

55003330800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8431540 + ... + 8438060.

It is an arithmetic number, because the mean of its divisors is an integer number (451270224).

Almost surely, 2^55003330800 is an apocalyptic number.

55003330800 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 55003330800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108304853760).

55003330800 is an abundant number, since it is smaller than the sum of its proper divisors (161606376720).

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

55003330800 is a wasteful number, since it uses less digits than its factorization.

55003330800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630 (or 6613 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 55003330800 its reverse (803330055), we get a palindrome (55806660855).

The spelling of 55003330800 in words is "fifty-five billion, three million, three hundred thirty thousand, eight hundred".