53168943 has 4 divisors (see below), whose sum is σ = 70891928. Its totient is φ = 35445960.

The previous prime is 53168903. The next prime is 53168953. The reversal of 53168943 is 34986135.

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

It is not a de Polignac number, because 53168943 - 2⁶ = 53168879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53168903) 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, 8861488 + ... + 8861493.

It is an arithmetic number, because the mean of its divisors is an integer number (17722982).

Almost surely, 2^53168943 is an apocalyptic number.

53168943 is a deficient number, since it is larger than the sum of its proper divisors (17722985).

53168943 is a wasteful number, since it uses less digits than its factorization.

53168943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17722984.

The product of its digits is 77760, while the sum is 39.

The square root of 53168943 is about 7291.7037103821. The cubic root of 53168943 is about 376.0272704493.

The spelling of 53168943 in words is "fifty-three million, one hundred sixty-eight thousand, nine hundred forty-three".