54240066 has 12 divisors (see below), whose sum is σ = 117520182. Its totient is φ = 18080016.

The previous prime is 54240019. The next prime is 54240073. The reversal of 54240066 is 66004245.

It is a happy number.

54240066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38007225 + 16232841 = 6165^2 + 4029^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1506651 + ... + 1506686.

Almost surely, 2^54240066 is an apocalyptic number.

54240066 is an abundant number, since it is smaller than the sum of its proper divisors (63280116).

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

54240066 is a wasteful number, since it uses less digits than its factorization.

54240066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013345 (or 3013342 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 54240066 is about 7364.7855365924. The cubic root of 54240066 is about 378.5356058799.

The spelling of 54240066 in words is "fifty-four million, two hundred forty thousand, sixty-six".