53666116 has 12 divisors (see below), whose sum is σ = 107332288. Its totient is φ = 22999752.

The previous prime is 53666113. The next prime is 53666141. The reversal of 53666116 is 61166635.

53666116 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (53666113) 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 3 ways as a sum of consecutive naturals, for example, 958296 + ... + 958351.

Almost surely, 2^53666116 is an apocalyptic number.

It is an amenable number.

53666116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53666116 is a wasteful number, since it uses less digits than its factorization.

53666116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916658 (or 1916656 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 53666116 is about 7325.7160742142. The cubic root of 53666116 is about 377.1956900218.

The spelling of 53666116 in words is "fifty-three million, six hundred sixty-six thousand, one hundred sixteen".