54616666 has 16 divisors (see below), whose sum is σ = 88349184. Its totient is φ = 25172784.

The previous prime is 54616663. The next prime is 54616691. The reversal of 54616666 is 66661645.

It is not an unprimeable number, because it can be changed into a prime (54616663) 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, 33711 + ... + 35293.

It is an arithmetic number, because the mean of its divisors is an integer number (5521824).

Almost surely, 2^54616666 is an apocalyptic number.

54616666 is a deficient number, since it is larger than the sum of its proper divisors (33732518).

54616666 is a wasteful number, since it uses less digits than its factorization.

54616666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925.

The product of its digits is 155520, while the sum is 40.

The square root of 54616666 is about 7390.3089245308. The cubic root of 54616666 is about 379.4096697307.

The spelling of 54616666 in words is "fifty-four million, six hundred sixteen thousand, six hundred sixty-six".