54394318368 has 144 divisors (see below), whose sum is σ = 171793167840. Its totient is φ = 16736668416.

The previous prime is 54394318343. The next prime is 54394318387. The reversal of 54394318368 is 86381349345.

54394318368 is a `hidden beast` number, since 543 + 9 + 4 + 31 + 8 + 3 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 40246 + ... + 332277.

It is an arithmetic number, because the mean of its divisors is an integer number (1193008110).

Almost surely, 2^54394318368 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 54394318368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85896583920).

54394318368 is an abundant number, since it is smaller than the sum of its proper divisors (117398849472).

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

54394318368 is a wasteful number, since it uses less digits than its factorization.

54394318368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372568 (or 372541 counting only the distinct ones).

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

The spelling of 54394318368 in words is "fifty-four billion, three hundred ninety-four million, three hundred eighteen thousand, three hundred sixty-eight".