54287154864 has 120 divisors (see below), whose sum is σ = 157483424384. Its totient is φ = 17438976000.

The previous prime is 54287154847. The next prime is 54287154893. The reversal of 54287154864 is 46845178245.

54287154864 is a `hidden beast` number, since 5 + 4 + 28 + 71 + 548 + 6 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 54287154864.

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 23 ways as a sum of consecutive naturals, for example, 1050594 + ... + 1101054.

Almost surely, 2^54287154864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54287154864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78741712192).

54287154864 is an abundant number, since it is smaller than the sum of its proper divisors (103196269520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54287154864 is a wasteful number, since it uses less digits than its factorization.

54287154864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50747 (or 50738 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 54.

The spelling of 54287154864 in words is "fifty-four billion, two hundred eighty-seven million, one hundred fifty-four thousand, eight hundred sixty-four".