53532235121 has 16 divisors (see below), whose sum is σ = 57339014400. Its totient is φ = 49825413648.

The previous prime is 53532235093. The next prime is 53532235123. The reversal of 53532235121 is 12153223535.

53532235121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-53532235121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53532235123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1989866 + ... + 2016588.

It is an arithmetic number, because the mean of its divisors is an integer number (3583688400).

Almost surely, 2^53532235121 is an apocalyptic number.

It is an amenable number.

53532235121 is a deficient number, since it is larger than the sum of its proper divisors (3806779279).

53532235121 is a wasteful number, since it uses less digits than its factorization.

53532235121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28588.

The product of its digits is 27000, while the sum is 32.

Adding to 53532235121 its reverse (12153223535), we get a palindrome (65685458656).

The spelling of 53532235121 in words is "fifty-three billion, five hundred thirty-two million, two hundred thirty-five thousand, one hundred twenty-one".