53243373 has 4 divisors (see below), whose sum is σ = 70991168. Its totient is φ = 35495580.

The previous prime is 53243363. The next prime is 53243381. The reversal of 53243373 is 37334235.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53243373 - 2⁴ = 53243357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53243373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53243363) 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, 8873893 + ... + 8873898.

It is an arithmetic number, because the mean of its divisors is an integer number (17747792).

Almost surely, 2^53243373 is an apocalyptic number.

It is an amenable number.

53243373 is a deficient number, since it is larger than the sum of its proper divisors (17747795).

53243373 is a wasteful number, since it uses less digits than its factorization.

53243373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17747794.

The product of its digits is 22680, while the sum is 30.

The square root of 53243373 is about 7296.8056709769. The cubic root of 53243373 is about 376.2026526588.

The spelling of 53243373 in words is "fifty-three million, two hundred forty-three thousand, three hundred seventy-three".