53263312 has 40 divisors (see below), whose sum is σ = 111153600. Its totient is φ = 24632832.

The previous prime is 53263307. The next prime is 53263319. The reversal of 53263312 is 21336235.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53263319) 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, 14389 + ... + 17707.

It is an arithmetic number, because the mean of its divisors is an integer number (2778840).

Almost surely, 2^53263312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53263312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55576800).

53263312 is an abundant number, since it is smaller than the sum of its proper divisors (57890288).

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

53263312 is a wasteful number, since it uses less digits than its factorization.

53263312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403 (or 3397 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 53263312 is about 7298.1718258753. The cubic root of 53263312 is about 376.2496079141.

Adding to 53263312 its reverse (21336235), we get a palindrome (74599547).

The spelling of 53263312 in words is "fifty-three million, two hundred sixty-three thousand, three hundred twelve".