53531142353 has 4 divisors (see below), whose sum is σ = 57648922548. Its totient is φ = 49413362160.

The previous prime is 53531142349. The next prime is 53531142383. The reversal of 53531142353 is 35324113535.

It is a happy number.

53531142353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 18379767184 + 35151375169 = 135572^2 + 187487^2 .

It is a cyclic number.

It is not a de Polignac number, because 53531142353 - 2² = 53531142349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53531142383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2058890078 + ... + 2058890103.

It is an arithmetic number, because the mean of its divisors is an integer number (14412230637).

Almost surely, 2^53531142353 is an apocalyptic number.

It is an amenable number.

53531142353 is a deficient number, since it is larger than the sum of its proper divisors (4117780195).

53531142353 is a wasteful number, since it uses less digits than its factorization.

53531142353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117780194.

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

Adding to 53531142353 its reverse (35324113535), we get a palindrome (88855255888).

The spelling of 53531142353 in words is "fifty-three billion, five hundred thirty-one million, one hundred forty-two thousand, three hundred fifty-three".