52733646 has 64 divisors (see below), whose sum is σ = 136181760. Its totient is φ = 14813280.

The previous prime is 52733627. The next prime is 52733647. The reversal of 52733646 is 64633725.

52733646 is a `hidden beast` number, since 5 + 2 + 7 + 3 + 3 + 646 = 666.

52733646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52733646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52733647) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 21915 + ... + 24201.

It is an arithmetic number, because the mean of its divisors is an integer number (2127840).

Almost surely, 2^52733646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52733646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68090880).

52733646 is an abundant number, since it is smaller than the sum of its proper divisors (83448114).

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

52733646 is a wasteful number, since it uses less digits than its factorization.

52733646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366 (or 2360 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 52733646 is about 7261.7935801013. The cubic root of 52733646 is about 374.9982719920.

The spelling of 52733646 in words is "fifty-two million, seven hundred thirty-three thousand, six hundred forty-six".