52733621 has 8 divisors (see below), whose sum is σ = 54318264. Its totient is φ = 51157440.

The previous prime is 52733599. The next prime is 52733627. The reversal of 52733621 is 12633725.

52733621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 30924721 + 21808900 = 5561^2 + 4670^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52733621 - 2⁶ = 52733557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52733627) 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 7 ways as a sum of consecutive naturals, for example, 11891 + ... + 15711.

It is an arithmetic number, because the mean of its divisors is an integer number (6789783).

Almost surely, 2^52733621 is an apocalyptic number.

It is an amenable number.

52733621 is a deficient number, since it is larger than the sum of its proper divisors (1584643).

52733621 is a wasteful number, since it uses less digits than its factorization.

52733621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231.

The product of its digits is 7560, while the sum is 29.

The square root of 52733621 is about 7261.7918587632. The cubic root of 52733621 is about 374.9982127322.

The spelling of 52733621 in words is "fifty-two million, seven hundred thirty-three thousand, six hundred twenty-one".