54386543287 has 4 divisors (see below), whose sum is σ = 54598164336. Its totient is φ = 54174922240.

The previous prime is 54386543279. The next prime is 54386543311. The reversal of 54386543287 is 78234568345.

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 54386543287 - 2³ = 54386543279 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 (54386543227) 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 3 ways as a sum of consecutive naturals, for example, 105810139 + ... + 105810652.

It is an arithmetic number, because the mean of its divisors is an integer number (13649541084).

Almost surely, 2^54386543287 is an apocalyptic number.

54386543287 is a deficient number, since it is larger than the sum of its proper divisors (211621049).

54386543287 is a wasteful number, since it uses less digits than its factorization.

54386543287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211621048.

The product of its digits is 19353600, while the sum is 55.

The spelling of 54386543287 in words is "fifty-four billion, three hundred eighty-six million, five hundred forty-three thousand, two hundred eighty-seven".