53168866 has 4 divisors (see below), whose sum is σ = 79753302. Its totient is φ = 26584432.

The previous prime is 53168849. The next prime is 53168879. The reversal of 53168866 is 66886135.

53168866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31685641 + 21483225 = 5629^2 + 4635^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13292215 + ... + 13292218.

Almost surely, 2^53168866 is an apocalyptic number.

53168866 is a deficient number, since it is larger than the sum of its proper divisors (26584436).

53168866 is a wasteful number, since it uses less digits than its factorization.

53168866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26584435.

The product of its digits is 207360, while the sum is 43.

The square root of 53168866 is about 7291.6984304070. The cubic root of 53168866 is about 376.0270889266.

The spelling of 53168866 in words is "fifty-three million, one hundred sixty-eight thousand, eight hundred sixty-six".