55243224200 has 48 divisors (see below), whose sum is σ = 128467968000. Its totient is φ = 22092563520.

The previous prime is 55243224193. The next prime is 55243224209. The reversal of 55243224200 is 242234255.

It is a super-2 number, since 2×55243224200² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55243224209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 996821 + ... + 1050779.

It is an arithmetic number, because the mean of its divisors is an integer number (2676416000).

Almost surely, 2^55243224200 is an apocalyptic number.

55243224200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55243224200 is an abundant number, since it is smaller than the sum of its proper divisors (73224743800).

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

55243224200 is a wasteful number, since it uses less digits than its factorization.

55243224200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59094 (or 59085 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 55243224200 its reverse (242234255), we get a palindrome (55485458455).

The spelling of 55243224200 in words is "fifty-five billion, two hundred forty-three million, two hundred twenty-four thousand, two hundred".