53505372 has 24 divisors (see below), whose sum is σ = 124966800. Its totient is φ = 17817856.

The previous prime is 53505371. The next prime is 53505379. The reversal of 53505372 is 27350535.

53505372 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 not an unprimeable number, because it can be changed into a prime (53505371) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19204 + ... + 21812.

It is an arithmetic number, because the mean of its divisors is an integer number (5206950).

Almost surely, 2^53505372 is an apocalyptic number.

It is an amenable number.

53505372 is an abundant number, since it is smaller than the sum of its proper divisors (71461428).

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

53505372 is a wasteful number, since it uses less digits than its factorization.

53505372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325 (or 4323 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 53505372 is about 7314.7366323060. The cubic root of 53505372 is about 376.8187136004.

The spelling of 53505372 in words is "fifty-three million, five hundred five thousand, three hundred seventy-two".