53645304 has 16 divisors (see below), whose sum is σ = 134113320. Its totient is φ = 17881760.

The previous prime is 53645299. The next prime is 53645327. The reversal of 53645304 is 40354635.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117587 + ... + 1117634.

Almost surely, 2^53645304 is an apocalyptic number.

It is an amenable number.

53645304 is an abundant number, since it is smaller than the sum of its proper divisors (80468016).

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

53645304 is a wasteful number, since it uses less digits than its factorization.

53645304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235230 (or 2235226 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 53645304 is about 7324.2954609983. The cubic root of 53645304 is about 377.1469242314.

Adding to 53645304 its reverse (40354635), we get a palindrome (93999939).

The spelling of 53645304 in words is "fifty-three million, six hundred forty-five thousand, three hundred four".