53072504 has 64 divisors (see below), whose sum is σ = 110808000. Its totient is φ = 23721984.

The previous prime is 53072497. The next prime is 53072519. The reversal of 53072504 is 40527035.

53072504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266597 + ... + 266795.

It is an arithmetic number, because the mean of its divisors is an integer number (1731375).

Almost surely, 2^53072504 is an apocalyptic number.

It is an amenable number.

53072504 is an abundant number, since it is smaller than the sum of its proper divisors (57735496).

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

53072504 is a wasteful number, since it uses less digits than its factorization.

53072504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 53072504 is about 7285.0877825871. The cubic root of 53072504 is about 375.7997840051.

Adding to 53072504 its reverse (40527035), we get a palindrome (93599539).

The spelling of 53072504 in words is "fifty-three million, seventy-two thousand, five hundred four".