55343145320 has 32 divisors (see below), whose sum is σ = 126275915520. Its totient is φ = 21825464640.

The previous prime is 55343145311. The next prime is 55343145323. The reversal of 55343145320 is 2354134355.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55343145323) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9740672 + ... + 9746351.

It is an arithmetic number, because the mean of its divisors is an integer number (3946122360).

Almost surely, 2^55343145320 is an apocalyptic number.

It is an amenable number.

55343145320 is an abundant number, since it is smaller than the sum of its proper divisors (70932770200).

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

55343145320 is a wasteful number, since it uses less digits than its factorization.

55343145320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19487105 (or 19487101 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 55343145320 its reverse (2354134355), we get a palindrome (57697279675).

The spelling of 55343145320 in words is "fifty-five billion, three hundred forty-three million, one hundred forty-five thousand, three hundred twenty".