53304340 has 24 divisors (see below), whose sum is σ = 116807040. Its totient is φ = 20394528.

The previous prime is 53304323. The next prime is 53304341. The reversal of 53304340 is 4340335.

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 7 ways as a sum of consecutive naturals, for example, 57480 + ... + 58399.

It is an arithmetic number, because the mean of its divisors is an integer number (4866960).

Almost surely, 2^53304340 is an apocalyptic number.

It is an amenable number.

53304340 is an abundant number, since it is smaller than the sum of its proper divisors (63502700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53304340 is a wasteful number, since it uses less digits than its factorization.

53304340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115911 (or 115909 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 53304340 is about 7300.9821257143. The cubic root of 53304340 is about 376.3461897604.

Adding to 53304340 its reverse (4340335), we get a palindrome (57644675).

The spelling of 53304340 in words is "fifty-three million, three hundred four thousand, three hundred forty".