54240066243 has 24 divisors (see below), whose sum is σ = 86551096320. Its totient is φ = 32456651760.

The previous prime is 54240066241. The next prime is 54240066247. The reversal of 54240066243 is 34266004245.

54240066243 is a `hidden beast` number, since 5 + 4 + 2 + 400 + 6 + 6 + 243 = 666.

It is not a de Polignac number, because 54240066243 - 2¹ = 54240066241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54240066198 and 54240066207.

It is not an unprimeable number, because it can be changed into a prime (54240066241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3459771 + ... + 3475412.

It is an arithmetic number, because the mean of its divisors is an integer number (3606295680).

Almost surely, 2^54240066243 is an apocalyptic number.

54240066243 is a deficient number, since it is larger than the sum of its proper divisors (32311030077).

54240066243 is a wasteful number, since it uses less digits than its factorization.

54240066243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6935279 (or 6935276 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 54240066243 in words is "fifty-four billion, two hundred forty million, sixty-six thousand, two hundred forty-three".