53521113 has 8 divisors (see below), whose sum is σ = 73102176. Its totient is φ = 34810400.

The previous prime is 53521103. The next prime is 53521133. The reversal of 53521113 is 31112535.

53521113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53521113 - 2¹⁷ = 53390041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53521113.

It is not an unprimeable number, because it can be changed into a prime (53521103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217443 + ... + 217688.

It is an arithmetic number, because the mean of its divisors is an integer number (9137772).

Almost surely, 2^53521113 is an apocalyptic number.

It is an amenable number.

53521113 is a deficient number, since it is larger than the sum of its proper divisors (19581063).

53521113 is a wasteful number, since it uses less digits than its factorization.

53521113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435175.

The product of its digits is 450, while the sum is 21.

The square root of 53521113 is about 7315.8125317698. The cubic root of 53521113 is about 376.8556626740.

Adding to 53521113 its reverse (31112535), we get a palindrome (84633648).

The spelling of 53521113 in words is "fifty-three million, five hundred twenty-one thousand, one hundred thirteen".