53006303 has 8 divisors (see below), whose sum is σ = 60986400. Its totient is φ = 45128160.

The previous prime is 53006299. The next prime is 53006321. The reversal of 53006303 is 30360035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53006303 - 2² = 53006299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53006003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24368 + ... + 26453.

It is an arithmetic number, because the mean of its divisors is an integer number (7623300).

Almost surely, 2^53006303 is an apocalyptic number.

53006303 is a deficient number, since it is larger than the sum of its proper divisors (7980097).

53006303 is a wasteful number, since it uses less digits than its factorization.

53006303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50977.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 53006303 is about 7280.5427682282. The cubic root of 53006303 is about 375.6434653156.

Adding to 53006303 its reverse (30360035), we get a palindrome (83366338).

The spelling of 53006303 in words is "fifty-three million, six thousand, three hundred three".