53143203 has 4 divisors (see below), whose sum is σ = 70857608. Its totient is φ = 35428800.

The previous prime is 53143201. The next prime is 53143213. The reversal of 53143203 is 30234135.

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

It is not a de Polignac number, because 53143203 - 2¹ = 53143201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53143203.

It is not an unprimeable number, because it can be changed into a prime (53143201) 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, 8857198 + ... + 8857203.

It is an arithmetic number, because the mean of its divisors is an integer number (17714402).

Almost surely, 2^53143203 is an apocalyptic number.

53143203 is a deficient number, since it is larger than the sum of its proper divisors (17714405).

53143203 is a wasteful number, since it uses less digits than its factorization.

53143203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17714404.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 53143203 is about 7289.9384771066. The cubic root of 53143203 is about 375.9665802310.

Adding to 53143203 its reverse (30234135), we get a palindrome (83377338).

It can be divided in two parts, 531 and 43203, that added together give a palindrome (43734).

The spelling of 53143203 in words is "fifty-three million, one hundred forty-three thousand, two hundred three".