53595218405 has 4 divisors (see below), whose sum is σ = 64314262092. Its totient is φ = 42876174720.

The previous prime is 53595218393. The next prime is 53595218407. The reversal of 53595218405 is 50481259535.

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 35454630436 + 18140587969 = 188294^2 + 134687^2 .

It is not a de Polignac number, because 53595218405 - 2²⁰ = 53594169829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53595218405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53595218407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5359521836 + ... + 5359521845.

It is an arithmetic number, because the mean of its divisors is an integer number (16078565523).

Almost surely, 2^53595218405 is an apocalyptic number.

It is an amenable number.

53595218405 is a deficient number, since it is larger than the sum of its proper divisors (10719043687).

53595218405 is a wasteful number, since it uses less digits than its factorization.

53595218405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10719043686.

The product of its (nonzero) digits is 1080000, while the sum is 47.

The spelling of 53595218405 in words is "fifty-three billion, five hundred ninety-five million, two hundred eighteen thousand, four hundred five".