54816720874185 has 32 divisors (see below), whose sum is σ = 87970618091520. Its totient is φ = 29147674650048.

The previous prime is 54816720874177. The next prime is 54816720874231. The reversal of 54816720874185 is 58147802761845.

54816720874185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54816720874185 - 2³ = 54816720874177 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 18075354 + ... + 20889036.

It is an arithmetic number, because the mean of its divisors is an integer number (2749081815360).

Almost surely, 2^{54816720874185} is an apocalyptic number.

It is an amenable number.

54816720874185 is a deficient number, since it is larger than the sum of its proper divisors (33153897217335).

54816720874185 is a wasteful number, since it uses less digits than its factorization.

54816720874185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817597.

The product of its (nonzero) digits is 120422400, while the sum is 66.

The spelling of 54816720874185 in words is "fifty-four trillion, eight hundred sixteen billion, seven hundred twenty million, eight hundred seventy-four thousand, one hundred eighty-five".