59540809 has 4 divisors (see below), whose sum is σ = 59752980. Its totient is φ = 59328640.

The previous prime is 59540779. The next prime is 59540821. The reversal of 59540809 is 90804595.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52925625 + 6615184 = 7275^2 + 2572^2 .

It is a cyclic number.

It is not a de Polignac number, because 59540809 - 2⁹ = 59540297 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (59540849) 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 3 ways as a sum of consecutive naturals, for example, 105664 + ... + 106225.

It is an arithmetic number, because the mean of its divisors is an integer number (14938245).

Almost surely, 2^59540809 is an apocalyptic number.

It is an amenable number.

59540809 is a deficient number, since it is larger than the sum of its proper divisors (212171).

59540809 is a wasteful number, since it uses less digits than its factorization.

59540809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212170.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 59540809 is about 7716.2691114294. The cubic root of 59540809 is about 390.4854988076.

The spelling of 59540809 in words is "fifty-nine million, five hundred forty thousand, eight hundred nine".