54817671845 has 8 divisors (see below), whose sum is σ = 67903180800. Its totient is φ = 42439487760.

The previous prime is 54817671841. The next prime is 54817671859.

54817671845 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 54817671845 - 2² = 54817671841 is a prime.

It is a super-2 number, since 2×54817671845² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54817671841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176831045 + ... + 176831354.

It is an arithmetic number, because the mean of its divisors is an integer number (8487897600).

Almost surely, 2^54817671845 is an apocalyptic number.

It is an amenable number.

54817671845 is a deficient number, since it is larger than the sum of its proper divisors (13085508955).

54817671845 is a wasteful number, since it uses less digits than its factorization.

54817671845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353662435.

The product of its digits is 7526400, while the sum is 56.

The spelling of 54817671845 in words is "fifty-four billion, eight hundred seventeen million, six hundred seventy-one thousand, eight hundred forty-five".