53513532 has 36 divisors (see below), whose sum is σ = 135495360. Its totient is φ = 17808192.

The previous prime is 53513491. The next prime is 53513561. The reversal of 53513532 is 23531535.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 53513496 and 53513505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36469 + ... + 37907.

It is an arithmetic number, because the mean of its divisors is an integer number (3763760).

Almost surely, 2^53513532 is an apocalyptic number.

It is an amenable number.

53513532 is an abundant number, since it is smaller than the sum of its proper divisors (81981828).

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

53513532 is a wasteful number, since it uses less digits than its factorization.

53513532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482 (or 2477 counting only the distinct ones).

The product of its digits is 6750, while the sum is 27.

The square root of 53513532 is about 7315.2943891548. The cubic root of 53513532 is about 376.8378685892.

It can be divided in two parts, 53513 and 532, that added together give a palindrome (54045).

The spelling of 53513532 in words is "fifty-three million, five hundred thirteen thousand, five hundred thirty-two".