55043520323 has 16 divisors (see below), whose sum is σ = 60219783936. Its totient is φ = 49896188640.

The previous prime is 55043520319. The next prime is 55043520331. The reversal of 55043520323 is 32302534055.

It is a cyclic number.

It is not a de Polignac number, because 55043520323 - 2² = 55043520319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55043520323.

It is not an unprimeable number, because it can be changed into a prime (55043520313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5976440 + ... + 5985642.

It is an arithmetic number, because the mean of its divisors is an integer number (3763736496).

Almost surely, 2^55043520323 is an apocalyptic number.

55043520323 is a deficient number, since it is larger than the sum of its proper divisors (5176263613).

55043520323 is a wasteful number, since it uses less digits than its factorization.

55043520323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10714.

The product of its (nonzero) digits is 54000, while the sum is 32.

The spelling of 55043520323 in words is "fifty-five billion, forty-three million, five hundred twenty thousand, three hundred twenty-three".