54666605 has 12 divisors (see below), whose sum is σ = 76310460. Its totient is φ = 37485504.

The previous prime is 54666589. The next prime is 54666613. The reversal of 54666605 is 50666645.

It can be written as a sum of positive squares in 2 ways, for example, as 7414729 + 47251876 = 2723^2 + 6874^2 .

It is not a de Polignac number, because 54666605 - 2⁴ = 54666589 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111320 + ... + 111809.

It is an arithmetic number, because the mean of its divisors is an integer number (6359205).

Almost surely, 2^54666605 is an apocalyptic number.

It is an amenable number.

54666605 is a deficient number, since it is larger than the sum of its proper divisors (21643855).

54666605 is a wasteful number, since it uses less digits than its factorization.

54666605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223148 (or 223141 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 54666605 is about 7393.6868340497. The cubic root of 54666605 is about 379.5252728298.

The spelling of 54666605 in words is "fifty-four million, six hundred sixty-six thousand, six hundred five".