53115532 has 6 divisors (see below), whose sum is σ = 92952188. Its totient is φ = 26557764.

The previous prime is 53115527. The next prime is 53115547. The reversal of 53115532 is 23551135.

53115532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53115497 and 53115506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6639438 + ... + 6639445.

Almost surely, 2^53115532 is an apocalyptic number.

It is an amenable number.

53115532 is a deficient number, since it is larger than the sum of its proper divisors (39836656).

53115532 is a wasteful number, since it uses less digits than its factorization.

53115532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13278887 (or 13278885 counting only the distinct ones).

The product of its digits is 2250, while the sum is 25.

The square root of 53115532 is about 7288.0403401738. The cubic root of 53115532 is about 375.9013152061.

Adding to 53115532 its reverse (23551135), we get a palindrome (76666667).

The spelling of 53115532 in words is "fifty-three million, one hundred fifteen thousand, five hundred thirty-two".