53133532 has 12 divisors (see below), whose sum is σ = 93663360. Its totient is φ = 26372576.

The previous prime is 53133527. The next prime is 53133559. The reversal of 53133532 is 23533135.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53133497 and 53133506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47932 + ... + 49027.

It is an arithmetic number, because the mean of its divisors is an integer number (7805280).

Almost surely, 2^53133532 is an apocalyptic number.

It is an amenable number.

53133532 is a deficient number, since it is larger than the sum of its proper divisors (40529828).

53133532 is a wasteful number, since it uses less digits than its factorization.

53133532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97100 (or 97098 counting only the distinct ones).

The product of its digits is 4050, while the sum is 25.

The square root of 53133532 is about 7289.2751354301. The cubic root of 53133532 is about 375.9437727148.

Adding to 53133532 its reverse (23533135), we get a palindrome (76666667).

The spelling of 53133532 in words is "fifty-three million, one hundred thirty-three thousand, five hundred thirty-two".