54865856845 has 8 divisors (see below), whose sum is σ = 66183736320. Its totient is φ = 43662880080.

The previous prime is 54865856833. The next prime is 54865856849.

54865856845 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-54865856845 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54865856849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28724625 + ... + 28726534.

It is an arithmetic number, because the mean of its divisors is an integer number (8272967040).

Almost surely, 2^54865856845 is an apocalyptic number.

It is an amenable number.

54865856845 is a deficient number, since it is larger than the sum of its proper divisors (11317879475).

54865856845 is a wasteful number, since it uses less digits than its factorization.

54865856845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57451355.

The product of its digits is 184320000, while the sum is 64.

The spelling of 54865856845 in words is "fifty-four billion, eight hundred sixty-five million, eight hundred fifty-six thousand, eight hundred forty-five".