54618239664 has 120 divisors (see below), whose sum is σ = 154854619920. Its totient is φ = 17969481216.

The previous prime is 54618239653. The next prime is 54618239699. The reversal of 54618239664 is 46693281645.

54618239664 is a `hidden beast` number, since 546 + 1 + 8 + 2 + 3 + 96 + 6 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 54618239664.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3454882 + ... + 3470654.

It is an arithmetic number, because the mean of its divisors is an integer number (1290455166).

Almost surely, 2^54618239664 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 54618239664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77427309960).

54618239664 is an abundant number, since it is smaller than the sum of its proper divisors (100236380256).

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

54618239664 is a wasteful number, since it uses less digits than its factorization.

54618239664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16099 (or 16090 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 54618239664 in words is "fifty-four billion, six hundred eighteen million, two hundred thirty-nine thousand, six hundred sixty-four".