54856336416079 has 24 divisors (see below), whose sum is σ = 62523991323360. Its totient is φ = 48035391096000.

The previous prime is 54856336416067. The next prime is 54856336416157. The reversal of 54856336416079 is 97061463365845.

It is a de Polignac number, because none of the positive numbers 2^k-54856336416079 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 (54856336410079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17089267 + ... + 20043844.

It is an arithmetic number, because the mean of its divisors is an integer number (2605166305140).

Almost surely, 2^{54856336416079} is an apocalyptic number.

54856336416079 is a deficient number, since it is larger than the sum of its proper divisors (7667654907281).

54856336416079 is a wasteful number, since it uses less digits than its factorization.

54856336416079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37133583 (or 37133572 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 67.

The spelling of 54856336416079 in words is "fifty-four trillion, eight hundred fifty-six billion, three hundred thirty-six million, four hundred sixteen thousand, seventy-nine".