53319303 has 24 divisors (see below), whose sum is σ = 81244800. Its totient is φ = 34934328.

The previous prime is 53319281. The next prime is 53319319. The reversal of 53319303 is 30391335.

It is not a de Polignac number, because 53319303 - 2⁶ = 53319239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53319323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12478 + ... + 16196.

It is an arithmetic number, because the mean of its divisors is an integer number (3385200).

Almost surely, 2^53319303 is an apocalyptic number.

53319303 is a deficient number, since it is larger than the sum of its proper divisors (27925497).

53319303 is an equidigital number, since it uses as much as digits as its factorization.

53319303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793 (or 3781 counting only the distinct ones).

The product of its (nonzero) digits is 3645, while the sum is 27.

The square root of 53319303 is about 7302.0067789615. The cubic root of 53319303 is about 376.3814010347.

The spelling of 53319303 in words is "fifty-three million, three hundred nineteen thousand, three hundred three".