54705666 has 16 divisors (see below), whose sum is σ = 109872000. Its totient is φ = 18158448.

The previous prime is 54705659. The next prime is 54705667. The reversal of 54705666 is 66650745.

It is not an unprimeable number, because it can be changed into a prime (54705667) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17641 + ... + 20508.

It is an arithmetic number, because the mean of its divisors is an integer number (6867000).

Almost surely, 2^54705666 is an apocalyptic number.

54705666 is an abundant number, since it is smaller than the sum of its proper divisors (55166334).

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

54705666 is a wasteful number, since it uses less digits than its factorization.

54705666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38393.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 54705666 is about 7396.3278726676. The cubic root of 54705666 is about 379.6156455366.

The spelling of 54705666 in words is "fifty-four million, seven hundred five thousand, six hundred sixty-six".