53181168 has 40 divisors (see below), whose sum is σ = 145468368. Its totient is φ = 16684032.

The previous prime is 53181137. The next prime is 53181169. The reversal of 53181168 is 86118135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53181169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31771 + ... + 33402.

Almost surely, 2^53181168 is an apocalyptic number.

It is an amenable number.

53181168 is an abundant number, since it is smaller than the sum of its proper divisors (92287200).

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

53181168 is a wasteful number, since it uses less digits than its factorization.

53181168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65201 (or 65195 counting only the distinct ones).

The product of its digits is 5760, while the sum is 33.

The square root of 53181168 is about 7292.5419436572. The cubic root of 53181168 is about 376.0560879058.

The spelling of 53181168 in words is "fifty-three million, one hundred eighty-one thousand, one hundred sixty-eight".