53303365403 has 4 divisors (see below), whose sum is σ = 54603447528. Its totient is φ = 52003283280.

The previous prime is 53303365399. The next prime is 53303365417. The reversal of 53303365403 is 30456330335.

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

It is a cyclic number.

It is not a de Polignac number, because 53303365403 - 2² = 53303365399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53303365433) 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 3 ways as a sum of consecutive naturals, for example, 650041001 + ... + 650041082.

It is an arithmetic number, because the mean of its divisors is an integer number (13650861882).

Almost surely, 2^53303365403 is an apocalyptic number.

53303365403 is a deficient number, since it is larger than the sum of its proper divisors (1300082125).

53303365403 is a wasteful number, since it uses less digits than its factorization.

53303365403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300082124.

The product of its (nonzero) digits is 145800, while the sum is 35.

Adding to 53303365403 its reverse (30456330335), we get a palindrome (83759695738).

It can be divided in two parts, 5330 and 3365403, that added together give a palindrome (3370733).

The spelling of 53303365403 in words is "fifty-three billion, three hundred three million, three hundred sixty-five thousand, four hundred three".