52743809 has 8 divisors (see below), whose sum is σ = 56042280. Its totient is φ = 49467136.

The previous prime is 52743799. The next prime is 52743811. The reversal of 52743809 is 90834725.

It can be written as a sum of positive squares in 4 ways, for example, as 17305600 + 35438209 = 4160^2 + 5953^2 .

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 52743809 - 2⁴ = 52743793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52743869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314 + ... + 10275.

It is an arithmetic number, because the mean of its divisors is an integer number (7005285).

Almost surely, 2^52743809 is an apocalyptic number.

It is an amenable number.

52743809 is a deficient number, since it is larger than the sum of its proper divisors (3298471).

52743809 is a wasteful number, since it uses less digits than its factorization.

52743809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10899.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 52743809 is about 7262.4933046441. The cubic root of 52743809 is about 375.0223607407.

The spelling of 52743809 in words is "fifty-two million, seven hundred forty-three thousand, eight hundred nine".