53003 has 2 divisors, whose sum is σ = 53004. Its totient is φ = 53002.

The previous prime is 52999. The next prime is 53017. The reversal of 53003 is 30035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53003 - 2² = 52999 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 53003.

It is not a weakly prime, because it can be changed into another prime (53093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26501 + 26502.

It is an arithmetic number, because the mean of its divisors is an integer number (26502).

2⁵³⁰⁰³ is an apocalyptic number.

53003 is a deficient number, since it is larger than the sum of its proper divisors (1).

53003 is an equidigital number, since it uses as much as digits as its factorization.

53003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 11.

The square root of 53003 is about 230.2238041559. The cubic root of 53003 is about 37.5635662620.

Adding to 53003 its reverse (30035), we get a palindrome (83038).

The spelling of 53003 in words is "fifty-three thousand, three".