54243511121671 has 4 divisors (see below), whose sum is σ = 57434305893552. Its totient is φ = 51052716349792.

The previous prime is 54243511121641. The next prime is 54243511121741. The reversal of 54243511121671 is 17612111534245.

54243511121671 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 54243511121671 - 2³³ = 54234921187079 is a prime.

It is a super-3 number, since 3×54243511121671³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54243511121641) 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, 1595397385915 + ... + 1595397385948.

It is an arithmetic number, because the mean of its divisors is an integer number (14358576473388).

Almost surely, 2^{54243511121671} is an apocalyptic number.

54243511121671 is a deficient number, since it is larger than the sum of its proper divisors (3190794771881).

54243511121671 is a wasteful number, since it uses less digits than its factorization.

54243511121671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190794771880.

The product of its digits is 201600, while the sum is 43.

The spelling of 54243511121671 in words is "fifty-four trillion, two hundred forty-three billion, five hundred eleven million, one hundred twenty-one thousand, six hundred seventy-one".