53303351 has 8 divisors (see below), whose sum is σ = 55732320. Its totient is φ = 50883712.

The previous prime is 53303323. The next prime is 53303357. The reversal of 53303351 is 15330335.

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 53303351 - 2⁶ = 53303287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53303357) 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, 11051 + ... + 15123.

It is an arithmetic number, because the mean of its divisors is an integer number (6966540).

Almost surely, 2^53303351 is an apocalyptic number.

53303351 is a deficient number, since it is larger than the sum of its proper divisors (2428969).

53303351 is a wasteful number, since it uses less digits than its factorization.

53303351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665.

The product of its (nonzero) digits is 2025, while the sum is 23.

The square root of 53303351 is about 7300.9143947865. The cubic root of 53303351 is about 376.3438621908.

Adding to 53303351 its reverse (15330335), we get a palindrome (68633686).

The spelling of 53303351 in words is "fifty-three million, three hundred three thousand, three hundred fifty-one".