53521113241 has 4 divisors (see below), whose sum is σ = 55366668900. Its totient is φ = 51675557584.

The previous prime is 53521113221. The next prime is 53521113257. The reversal of 53521113241 is 14231112535.

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 10059287616 + 43461825625 = 100296^2 + 208475^2 .

It is a cyclic number.

It is not a de Polignac number, because 53521113241 - 2²⁵ = 53487558809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53521113211) 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, 922777786 + ... + 922777843.

It is an arithmetic number, because the mean of its divisors is an integer number (13841667225).

Almost surely, 2^53521113241 is an apocalyptic number.

It is an amenable number.

53521113241 is a deficient number, since it is larger than the sum of its proper divisors (1845555659).

53521113241 is a wasteful number, since it uses less digits than its factorization.

53521113241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845555658.

The product of its digits is 3600, while the sum is 28.

Adding to 53521113241 its reverse (14231112535), we get a palindrome (67752225776).

The spelling of 53521113241 in words is "fifty-three billion, five hundred twenty-one million, one hundred thirteen thousand, two hundred forty-one".