55200034120 has 64 divisors (see below), whose sum is σ = 154846857600. Its totient is φ = 17205204480.

The previous prime is 55200034009. The next prime is 55200034129. The reversal of 55200034120 is 2143000255.

55200034120 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 (22).

It is a junction number, because it is equal to n+sod(n) for n = 55200034091 and 55200034100.

It is not an unprimeable number, because it can be changed into a prime (55200034129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8957965 + ... + 8964124.

It is an arithmetic number, because the mean of its divisors is an integer number (2419482150).

Almost surely, 2^55200034120 is an apocalyptic number.

It is an amenable number.

55200034120 is an abundant number, since it is smaller than the sum of its proper divisors (99646823480).

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

55200034120 is a wasteful number, since it uses less digits than its factorization.

55200034120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17922118 (or 17922114 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 55200034120 its reverse (2143000255), we get a palindrome (57343034375).

The spelling of 55200034120 in words is "fifty-five billion, two hundred million, thirty-four thousand, one hundred twenty".