54172143856 has 40 divisors (see below), whose sum is σ = 106456717584. Its totient is φ = 26700879360.

The previous prime is 54172143833. The next prime is 54172143863. The reversal of 54172143856 is 65834127145.

It is a congruent number.

It is an unprimeable number.

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, 562266 + ... + 651526.

Almost surely, 2^54172143856 is an apocalyptic number.

It is an amenable number.

54172143856 is a deficient number, since it is larger than the sum of its proper divisors (52284573728).

54172143856 is a wasteful number, since it uses less digits than its factorization.

54172143856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89809 (or 89803 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The spelling of 54172143856 in words is "fifty-four billion, one hundred seventy-two million, one hundred forty-three thousand, eight hundred fifty-six".