55230242120 has 32 divisors (see below), whose sum is σ = 126612729720. Its totient is φ = 21675264000.

The previous prime is 55230242117. The next prime is 55230242149. The reversal of 55230242120 is 2124203255.

It can be written as a sum of positive squares in 4 ways, for example, as 55021208356 + 209033764 = 234566^2 + 14458^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55230242120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13023881 + ... + 13028120.

Almost surely, 2^55230242120 is an apocalyptic number.

It is an amenable number.

55230242120 is an abundant number, since it is smaller than the sum of its proper divisors (71382487600).

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

55230242120 is a wasteful number, since it uses less digits than its factorization.

55230242120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26052065 (or 26052061 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 55230242120 its reverse (2124203255), we get a palindrome (57354445375).

The spelling of 55230242120 in words is "fifty-five billion, two hundred thirty million, two hundred forty-two thousand, one hundred twenty".