53115232 has 12 divisors (see below), whose sum is σ = 104570676. Its totient is φ = 26557600.

The previous prime is 53115229. The next prime is 53115233. The reversal of 53115232 is 23251135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53115233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829894 + ... + 829957.

It is an arithmetic number, because the mean of its divisors is an integer number (8714223).

Almost surely, 2^53115232 is an apocalyptic number.

It is an amenable number.

53115232 is a deficient number, since it is larger than the sum of its proper divisors (51455444).

53115232 is a wasteful number, since it uses less digits than its factorization.

53115232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659861 (or 1659853 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 53115232 is about 7288.0197584804. The cubic root of 53115232 is about 375.9006074997.

Adding to 53115232 its reverse (23251135), we get a palindrome (76366367).

The spelling of 53115232 in words is "fifty-three million, one hundred fifteen thousand, two hundred thirty-two".