53232312 has 32 divisors (see below), whose sum is σ = 152092800. Its totient is φ = 15209184.

The previous prime is 53232293. The next prime is 53232317. The reversal of 53232312 is 21323235.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53232317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158262 + ... + 158597.

It is an arithmetic number, because the mean of its divisors is an integer number (4752900).

Almost surely, 2^53232312 is an apocalyptic number.

It is an amenable number.

53232312 is an abundant number, since it is smaller than the sum of its proper divisors (98860488).

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

53232312 is a wasteful number, since it uses less digits than its factorization.

53232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316875 (or 316871 counting only the distinct ones).

The product of its digits is 1080, while the sum is 21.

The square root of 53232312 is about 7296.0476972125. The cubic root of 53232312 is about 376.1765995527.

Adding to 53232312 its reverse (21323235), we get a palindrome (74555547).

The spelling of 53232312 in words is "fifty-three million, two hundred thirty-two thousand, three hundred twelve".