53546885605 has 8 divisors (see below), whose sum is σ = 64257580152. Its totient is φ = 42836630208.

The previous prime is 53546885563. The next prime is 53546885659. The reversal of 53546885605 is 50658864535.

It is a Cunningham number, because it is equal to 231402²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 19277100964 + 34269784641 = 138842^2 + 185121^2 .

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 53546885605 - 2¹³ = 53546877413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292447 + ... + 438883.

It is an arithmetic number, because the mean of its divisors is an integer number (8032197519).

Almost surely, 2^53546885605 is an apocalyptic number.

It is an amenable number.

53546885605 is a deficient number, since it is larger than the sum of its proper divisors (10710694547).

53546885605 is a wasteful number, since it uses less digits than its factorization.

53546885605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219575.

The product of its (nonzero) digits is 17280000, while the sum is 55.

The spelling of 53546885605 in words is "fifty-three billion, five hundred forty-six million, eight hundred eighty-five thousand, six hundred five".