53331303 has 8 divisors (see below), whose sum is σ = 72450288. Its totient is φ = 34883264.

The previous prime is 53331293. The next prime is 53331307. The reversal of 53331303 is 30313335.

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

It is a cyclic number.

It is not a de Polignac number, because 53331303 - 2¹⁰ = 53330279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53331303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53331307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167550 + ... + 167867.

It is an arithmetic number, because the mean of its divisors is an integer number (9056286).

Almost surely, 2^53331303 is an apocalyptic number.

53331303 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

53331303 is a deficient number, since it is larger than the sum of its proper divisors (19118985).

53331303 is a wasteful number, since it uses less digits than its factorization.

53331303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335473.

The product of its (nonzero) digits is 1215, while the sum is 21.

The square root of 53331303 is about 7302.8284246585. The cubic root of 53331303 is about 376.4096349498.

Adding to 53331303 its reverse (30313335), we get a palindrome (83644638).

The spelling of 53331303 in words is "fifty-three million, three hundred thirty-one thousand, three hundred three".