53431525133 has 4 divisors (see below), whose sum is σ = 61064600160. Its totient is φ = 45798450108.

The previous prime is 53431525129. The next prime is 53431525141. The reversal of 53431525133 is 33152513435.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33152513435 = 5 ⋅6630502687.

It is a cyclic number.

It is not a de Polignac number, because 53431525133 - 2² = 53431525129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53431525093 and 53431525102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53431525123) 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, 3816537503 + ... + 3816537516.

It is an arithmetic number, because the mean of its divisors is an integer number (15266150040).

Almost surely, 2^53431525133 is an apocalyptic number.

It is an amenable number.

53431525133 is a deficient number, since it is larger than the sum of its proper divisors (7633075027).

53431525133 is an equidigital number, since it uses as much as digits as its factorization.

53431525133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7633075026.

The product of its digits is 81000, while the sum is 35.

The spelling of 53431525133 in words is "fifty-three billion, four hundred thirty-one million, five hundred twenty-five thousand, one hundred thirty-three".