53811166 has 8 divisors (see below), whose sum is σ = 81738720. Its totient is φ = 26564928.

The previous prime is 53811161. The next prime is 53811167. The reversal of 53811166 is 66111835.

53811166 = T₅₉₈₈ + T₅₉₈₉ + T₅₉₉₀.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53811161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170131 + ... + 170446.

It is an arithmetic number, because the mean of its divisors is an integer number (10217340).

Almost surely, 2^53811166 is an apocalyptic number.

53811166 is the 5990-th centered triangular number.

53811166 is a deficient number, since it is larger than the sum of its proper divisors (27927554).

53811166 is a wasteful number, since it uses less digits than its factorization.

53811166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340658.

The product of its digits is 4320, while the sum is 31.

The square root of 53811166 is about 7335.6094498003. The cubic root of 53811166 is about 377.5352153456.

The spelling of 53811166 in words is "fifty-three million, eight hundred eleven thousand, one hundred sixty-six".