54144435709439 has 4 divisors (see below), whose sum is σ = 54154497866040. Its totient is φ = 54134373552840.

The previous prime is 54144435709421. The next prime is 54144435709451. The reversal of 54144435709439 is 93490753444145.

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 54144435709439 - 2⁴⁰ = 53044924081663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54144435759439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5031070229 + ... + 5031080990.

It is an arithmetic number, because the mean of its divisors is an integer number (13538624466510).

Almost surely, 2^{54144435709439} is an apocalyptic number.

54144435709439 is a deficient number, since it is larger than the sum of its proper divisors (10062156601).

54144435709439 is a wasteful number, since it uses less digits than its factorization.

54144435709439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10062156600.

The product of its (nonzero) digits is 130636800, while the sum is 62.

The spelling of 54144435709439 in words is "fifty-four trillion, one hundred forty-four billion, four hundred thirty-five million, seven hundred nine thousand, four hundred thirty-nine".