54243605312047 has 4 divisors (see below), whose sum is σ = 54243750241696. Its totient is φ = 54243460382400.

The previous prime is 54243605311999. The next prime is 54243605312051. The reversal of 54243605312047 is 74021350634245.

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 54243605312047 - 2¹⁹ = 54243604787759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54243605311988 and 54243605312006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54243605312147) 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, 71901954 + ... + 72652447.

It is an arithmetic number, because the mean of its divisors is an integer number (13560937560424).

Almost surely, 2^{54243605312047} is an apocalyptic number.

54243605312047 is a deficient number, since it is larger than the sum of its proper divisors (144929649).

54243605312047 is a wasteful number, since it uses less digits than its factorization.

54243605312047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144929648.

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 54243605312047 in words is "fifty-four trillion, two hundred forty-three billion, six hundred five million, three hundred twelve thousand, forty-seven".