54745666 has 8 divisors (see below), whose sum is σ = 82163340. Its totient is φ = 27357888.

The previous prime is 54745651. The next prime is 54745679. The reversal of 54745666 is 66654745.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47210641 + 7535025 = 6871^2 + 2745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2131 + ... + 10678.

Almost surely, 2^54745666 is an apocalyptic number.

54745666 is a deficient number, since it is larger than the sum of its proper divisors (27417674).

54745666 is a wasteful number, since it uses less digits than its factorization.

54745666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14948.

The product of its digits is 604800, while the sum is 43.

The square root of 54745666 is about 7399.0314230986. The cubic root of 54745666 is about 379.7081461708.

The spelling of 54745666 in words is "fifty-four million, seven hundred forty-five thousand, six hundred sixty-six".