53333532 has 192 divisors, whose sum is σ = 172032000. Its totient is φ = 13950144.

The previous prime is 53333531. The next prime is 53333537. The reversal of 53333532 is 23533335.

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 = 53333496 and 53333505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53333531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 675069 + ... + 675147.

It is an arithmetic number, because the mean of its divisors is an integer number (896000).

Almost surely, 2^53333532 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 53333532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86016000).

53333532 is an abundant number, since it is smaller than the sum of its proper divisors (118698468).

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

53333532 is a wasteful number, since it uses less digits than its factorization.

53333532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 157 counting only the distinct ones).

The product of its digits is 12150, while the sum is 27.

The square root of 53333532 is about 7302.9810351664. The cubic root of 53333532 is about 376.4148789331.

Adding to 53333532 its reverse (23533335), we get a palindrome (76866867).

The spelling of 53333532 in words is "fifty-three million, three hundred thirty-three thousand, five hundred thirty-two".