53304311 has 4 divisors (see below), whose sum is σ = 53447592. Its totient is φ = 53161032.

The previous prime is 53304287. The next prime is 53304323. The reversal of 53304311 is 11340335.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11340335 = 5 ⋅2268067.

It is a cyclic number.

It is not a de Polignac number, because 53304311 - 2¹⁰ = 53303287 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 (53304341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71081 + ... + 71826.

It is an arithmetic number, because the mean of its divisors is an integer number (13361898).

Almost surely, 2^53304311 is an apocalyptic number.

53304311 is a deficient number, since it is larger than the sum of its proper divisors (143281).

53304311 is a wasteful number, since it uses less digits than its factorization.

53304311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143280.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 53304311 is about 7300.9801396799. The cubic root of 53304311 is about 376.3461215105.

Adding to 53304311 its reverse (11340335), we get a palindrome (64644646).

The spelling of 53304311 in words is "fifty-three million, three hundred four thousand, three hundred eleven".