53203203 has 16 divisors (see below), whose sum is σ = 79902240. Its totient is φ = 34981632.

The previous prime is 53203187. The next prime is 53203231. The reversal of 53203203 is 30230235.

It is not a de Polignac number, because 53203203 - 2⁴ = 53203187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53203243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11526 + ... + 15467.

It is an arithmetic number, because the mean of its divisors is an integer number (4993890).

Almost surely, 2^53203203 is an apocalyptic number.

53203203 is a deficient number, since it is larger than the sum of its proper divisors (26699037).

53203203 is a wasteful number, since it uses less digits than its factorization.

53203203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27075 (or 27069 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 53203203 is about 7294.0525772714. The cubic root of 53203203 is about 376.1080188932.

Adding to 53203203 its reverse (30230235), we get a palindrome (83433438).

The spelling of 53203203 in words is "fifty-three million, two hundred three thousand, two hundred three".