53103443 has 4 divisors (see below), whose sum is σ = 53128128. Its totient is φ = 53078760.

The previous prime is 53103439. The next prime is 53103493. The reversal of 53103443 is 34430135.

53103443 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, and also an emirpimes, since its reverse is a distinct semiprime: 34430135 = 5 ⋅6886027.

It is a cyclic number.

It is not a de Polignac number, because 53103443 - 2² = 53103439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53103433) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 8771 + ... + 13532.

It is an arithmetic number, because the mean of its divisors is an integer number (13282032).

Almost surely, 2^53103443 is an apocalyptic number.

53103443 is a deficient number, since it is larger than the sum of its proper divisors (24685).

53103443 is a wasteful number, since it uses less digits than its factorization.

53103443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24684.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 53103443 is about 7287.2109205100. The cubic root of 53103443 is about 375.8727948868.

Adding to 53103443 its reverse (34430135), we get a palindrome (87533578).

The spelling of 53103443 in words is "fifty-three million, one hundred three thousand, four hundred forty-three".