53766165 has 16 divisors (see below), whose sum is σ = 86119488. Its totient is φ = 28644096.

The previous prime is 53766161. The next prime is 53766247. The reversal of 53766165 is 56166735.

It is not a de Polignac number, because 53766165 - 2² = 53766161 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53766161) 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 15 ways as a sum of consecutive naturals, for example, 21037 + ... + 23453.

It is an arithmetic number, because the mean of its divisors is an integer number (5382468).

Almost surely, 2^53766165 is an apocalyptic number.

It is an amenable number.

53766165 is a deficient number, since it is larger than the sum of its proper divisors (32353323).

53766165 is a wasteful number, since it uses less digits than its factorization.

53766165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908.

The product of its digits is 113400, while the sum is 39.

The square root of 53766165 is about 7332.5415102814. The cubic root of 53766165 is about 377.4299447506.

The spelling of 53766165 in words is "fifty-three million, seven hundred sixty-six thousand, one hundred sixty-five".