53112340443 has 16 divisors (see below), whose sum is σ = 73168862976. Its totient is φ = 34250842080.

The previous prime is 53112340427. The next prime is 53112340483. The reversal of 53112340443 is 34404321135.

It is not a de Polignac number, because 53112340443 - 2⁴ = 53112340427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53112340443.

It is not an unprimeable number, because it can be changed into a prime (53112340483) 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, 2341105 + ... + 2363682.

It is an arithmetic number, because the mean of its divisors is an integer number (4573053936).

Almost surely, 2^53112340443 is an apocalyptic number.

53112340443 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

53112340443 is a deficient number, since it is larger than the sum of its proper divisors (20056522533).

53112340443 is a wasteful number, since it uses less digits than its factorization.

53112340443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704914.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 53112340443 its reverse (34404321135), we get a palindrome (87516661578).

The spelling of 53112340443 in words is "fifty-three billion, one hundred twelve million, three hundred forty thousand, four hundred forty-three".