53440412531043 has 4 divisors (see below), whose sum is σ = 71253883374728. Its totient is φ = 35626941687360.

The previous prime is 53440412531029. The next prime is 53440412531047. The reversal of 53440412531043 is 34013521404435.

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

It is not a de Polignac number, because 53440412531043 - 2⁶ = 53440412530979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53440412530992 and 53440412531010.

It is not an unprimeable number, because it can be changed into a prime (53440412531047) 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, 8906735421838 + ... + 8906735421843.

It is an arithmetic number, because the mean of its divisors is an integer number (17813470843682).

Almost surely, 2^{53440412531043} is an apocalyptic number.

53440412531043 is a deficient number, since it is larger than the sum of its proper divisors (17813470843685).

53440412531043 is a wasteful number, since it uses less digits than its factorization.

53440412531043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17813470843684.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 53440412531043 its reverse (34013521404435), we get a palindrome (87453933935478).

The spelling of 53440412531043 in words is "fifty-three trillion, four hundred forty billion, four hundred twelve million, five hundred thirty-one thousand, forty-three".