53423315351 has 4 divisors (see below), whose sum is σ = 61055217552. Its totient is φ = 45791413152.

The previous prime is 53423315333. The next prime is 53423315353. The reversal of 53423315351 is 15351332435.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53423315351 - 2⁶ = 53423315287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53423315353) 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, 3815951090 + ... + 3815951103.

It is an arithmetic number, because the mean of its divisors is an integer number (15263804388).

Almost surely, 2^53423315351 is an apocalyptic number.

53423315351 is a deficient number, since it is larger than the sum of its proper divisors (7631902201).

53423315351 is an equidigital number, since it uses as much as digits as its factorization.

53423315351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7631902200.

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

Adding to 53423315351 its reverse (15351332435), we get a palindrome (68774647786).

The spelling of 53423315351 in words is "fifty-three billion, four hundred twenty-three million, three hundred fifteen thousand, three hundred fifty-one".