53033312 has 48 divisors (see below), whose sum is σ = 108726912. Its totient is φ = 25436160.

The previous prime is 53033311. The next prime is 53033317. The reversal of 53033312 is 21333035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53033311) 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, 191318 + ... + 191594.

It is an arithmetic number, because the mean of its divisors is an integer number (2265144).

Almost surely, 2^53033312 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 53033312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54363456).

53033312 is an abundant number, since it is smaller than the sum of its proper divisors (55693600).

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

53033312 is a wasteful number, since it uses less digits than its factorization.

53033312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 53033312 is about 7282.3974074476. The cubic root of 53033312 is about 375.7072566702.

Adding to 53033312 its reverse (21333035), we get a palindrome (74366347).

The spelling of 53033312 in words is "fifty-three million, thirty-three thousand, three hundred twelve".