52585809 has 16 divisors (see below), whose sum is σ = 71850240. Its totient is φ = 34194560.

The previous prime is 52585789. The next prime is 52585823. The reversal of 52585809 is 90858525.

It is a cyclic number.

It is not a de Polignac number, because 52585809 - 2⁷ = 52585681 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (52585829) 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 15 ways as a sum of consecutive naturals, for example, 64597 + ... + 65405.

It is an arithmetic number, because the mean of its divisors is an integer number (4490640).

Almost surely, 2^52585809 is an apocalyptic number.

It is an amenable number.

52585809 is a deficient number, since it is larger than the sum of its proper divisors (19264431).

52585809 is a wasteful number, since it uses less digits than its factorization.

52585809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320.

The product of its (nonzero) digits is 144000, while the sum is 42.

The square root of 52585809 is about 7251.6073390663. The cubic root of 52585809 is about 374.6475123326.

The spelling of 52585809 in words is "fifty-two million, five hundred eighty-five thousand, eight hundred nine".