55143424031323 has 4 divisors (see below), whose sum is σ = 55143499045320. Its totient is φ = 55143349017328.

The previous prime is 55143424031317. The next prime is 55143424031347. The reversal of 55143424031323 is 32313042434155.

55143424031323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55143424031323 - 2⁴¹ = 52944400775771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55143424031723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36393313 + ... + 37878226.

It is an arithmetic number, because the mean of its divisors is an integer number (13785874761330).

Almost surely, 2^{55143424031323} is an apocalyptic number.

55143424031323 is a deficient number, since it is larger than the sum of its proper divisors (75013997).

55143424031323 is an equidigital number, since it uses as much as digits as its factorization.

55143424031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75013996.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 55143424031323 its reverse (32313042434155), we get a palindrome (87456466465478).

The spelling of 55143424031323 in words is "fifty-five trillion, one hundred forty-three billion, four hundred twenty-four million, thirty-one thousand, three hundred twenty-three".