53352312 has 64 divisors (see below), whose sum is σ = 144399360. Its totient is φ = 16329600.

The previous prime is 53352289. The next prime is 53352329. The reversal of 53352312 is 21325335.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84237 + ... + 84867.

It is an arithmetic number, because the mean of its divisors is an integer number (2256240).

Almost surely, 2^53352312 is an apocalyptic number.

53352312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53352312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72199680).

53352312 is an abundant number, since it is smaller than the sum of its proper divisors (91047048).

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

53352312 is a wasteful number, since it uses less digits than its factorization.

53352312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 920 counting only the distinct ones).

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

The square root of 53352312 is about 7304.2666983072. The cubic root of 53352312 is about 376.4590552801.

Adding to 53352312 its reverse (21325335), we get a palindrome (74677647).

The spelling of 53352312 in words is "fifty-three million, three hundred fifty-two thousand, three hundred twelve".