55042422200 has 24 divisors (see below), whose sum is σ = 127973632080. Its totient is φ = 22016968800.

The previous prime is 55042422187. The next prime is 55042422241. The reversal of 55042422200 is 222424055.

It is a self number, because there is not a number n which added to its sum of digits gives 55042422200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137605856 + ... + 137606255.

It is an arithmetic number, because the mean of its divisors is an integer number (5332234670).

Almost surely, 2^55042422200 is an apocalyptic number.

55042422200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55042422200 is an abundant number, since it is smaller than the sum of its proper divisors (72931209880).

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

55042422200 is a wasteful number, since it uses less digits than its factorization.

55042422200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275212127 (or 275212118 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 55042422200 its reverse (222424055), we get a palindrome (55264846255).

The spelling of 55042422200 in words is "fifty-five billion, forty-two million, four hundred twenty-two thousand, two hundred".