54317256239 has 4 divisors (see below), whose sum is σ = 55127961624. Its totient is φ = 53506550856.

The previous prime is 54317256229. The next prime is 54317256269. The reversal of 54317256239 is 93265271345.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54317256239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54317256193 and 54317256202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54317256229) 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, 405352592 + ... + 405352725.

It is an arithmetic number, because the mean of its divisors is an integer number (13781990406).

Almost surely, 2^54317256239 is an apocalyptic number.

54317256239 is a deficient number, since it is larger than the sum of its proper divisors (810705385).

54317256239 is an equidigital number, since it uses as much as digits as its factorization.

54317256239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810705384.

The product of its digits is 1360800, while the sum is 47.

The spelling of 54317256239 in words is "fifty-four billion, three hundred seventeen million, two hundred fifty-six thousand, two hundred thirty-nine".