53532312 has 16 divisors (see below), whose sum is σ = 133830840. Its totient is φ = 17844096.

The previous prime is 53532307. The next prime is 53532331. The reversal of 53532312 is 21323535.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2230513 = 53532312 / (5 + 3 + 5 + 3 + 2 + 3 + 1 + 2).

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, 1115233 + ... + 1115280.

Almost surely, 2^53532312 is an apocalyptic number.

It is an amenable number.

53532312 is an abundant number, since it is smaller than the sum of its proper divisors (80298528).

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

53532312 is a wasteful number, since it uses less digits than its factorization.

53532312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230522 (or 2230518 counting only the distinct ones).

The product of its digits is 2700, while the sum is 24.

The square root of 53532312 is about 7316.5778886034. The cubic root of 53532312 is about 376.8819458359.

Adding to 53532312 its reverse (21323535), we get a palindrome (74855847).

The spelling of 53532312 in words is "fifty-three million, five hundred thirty-two thousand, three hundred twelve".