53306532 has 24 divisors (see below), whose sum is σ = 138202400. Its totient is φ = 17768808.

The previous prime is 53306531. The next prime is 53306537. The reversal of 53306532 is 23560335.

53306532 is a `hidden beast` number, since 5 + 3 + 3 + 0 + 653 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 53306496 and 53306505.

It is not an unprimeable number, because it can be changed into a prime (53306531) 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, 246682 + ... + 246897.

Almost surely, 2^53306532 is an apocalyptic number.

It is an amenable number.

53306532 is an abundant number, since it is smaller than the sum of its proper divisors (84895868).

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

53306532 is a wasteful number, since it uses less digits than its factorization.

53306532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493592 (or 493584 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 53306532 is about 7301.1322409610. The cubic root of 53306532 is about 376.3513484369.

Adding to 53306532 its reverse (23560335), we get a palindrome (76866867).

The spelling of 53306532 in words is "fifty-three million, three hundred six thousand, five hundred thirty-two".