53505132 has 24 divisors (see below), whose sum is σ = 128873472. Its totient is φ = 17259600.

The previous prime is 53505119. The next prime is 53505139. The reversal of 53505132 is 23150535.

It is a super-3 number, since 3×53505132³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53505139) 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, 71544 + ... + 72287.

It is an arithmetic number, because the mean of its divisors is an integer number (5369728).

Almost surely, 2^53505132 is an apocalyptic number.

It is an amenable number.

53505132 is an abundant number, since it is smaller than the sum of its proper divisors (75368340).

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

53505132 is a wasteful number, since it uses less digits than its factorization.

53505132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143869 (or 143867 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 53505132 is about 7314.7202270490. The cubic root of 53505132 is about 376.8181501889.

Adding to 53505132 its reverse (23150535), we get a palindrome (76655667).

The spelling of 53505132 in words is "fifty-three million, five hundred five thousand, one hundred thirty-two".