54172707639279 has 16 divisors (see below), whose sum is σ = 72872665280352. Its totient is φ = 35793972128768.

The previous prime is 54172707639223. The next prime is 54172707639343. The reversal of 54172707639279 is 97293670727145.

It is a cyclic number.

It is not a de Polignac number, because 54172707639279 - 2²⁹ = 54172170768367 is a prime.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54172707639079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4309819 + ... + 11265875.

It is an arithmetic number, because the mean of its divisors is an integer number (4554541580022).

Almost surely, 2^{54172707639279} is an apocalyptic number.

54172707639279 is a deficient number, since it is larger than the sum of its proper divisors (18699957641073).

54172707639279 is a wasteful number, since it uses less digits than its factorization.

54172707639279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6979146.

The product of its (nonzero) digits is 280052640, while the sum is 69.

The spelling of 54172707639279 in words is "fifty-four trillion, one hundred seventy-two billion, seven hundred seven million, six hundred thirty-nine thousand, two hundred seventy-nine".