55201343342120 has 64 divisors (see below), whose sum is σ = 126578884446720. Its totient is φ = 21658375275264.

The previous prime is 55201343342083. The next prime is 55201343342143. The reversal of 55201343342120 is 2124334310255.

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 15 ways as a sum of consecutive naturals, for example, 4950569 + ... + 11615111.

It is an arithmetic number, because the mean of its divisors is an integer number (1977795069480).

Almost surely, 2^{55201343342120} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55201343342120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63289442223360).

55201343342120 is an abundant number, since it is smaller than the sum of its proper divisors (71377541104600).

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

55201343342120 is a wasteful number, since it uses less digits than its factorization.

55201343342120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668514 (or 6668510 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 55201343342120 its reverse (2124334310255), we get a palindrome (57325677652375).

The spelling of 55201343342120 in words is "fifty-five trillion, two hundred one billion, three hundred forty-three million, three hundred forty-two thousand, one hundred twenty".