54427715728 has 40 divisors (see below), whose sum is σ = 108326406200. Its totient is φ = 26472821760.

The previous prime is 54427715677. The next prime is 54427715743. The reversal of 54427715728 is 82751772445.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33814796544 + 20612919184 = 183888^2 + 143572^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5465698 + ... + 5475646.

It is an arithmetic number, because the mean of its divisors is an integer number (2708160155).

Almost surely, 2^54427715728 is an apocalyptic number.

It is an amenable number.

54427715728 is a deficient number, since it is larger than the sum of its proper divisors (53898690472).

54427715728 is a wasteful number, since it uses less digits than its factorization.

54427715728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19235 (or 19229 counting only the distinct ones).

The product of its digits is 4390400, while the sum is 52.

The spelling of 54427715728 in words is "fifty-four billion, four hundred twenty-seven million, seven hundred fifteen thousand, seven hundred twenty-eight".