53403562340143 has 4 divisors (see below), whose sum is σ = 54200630434840. Its totient is φ = 52606494245448.

The previous prime is 53403562340137. The next prime is 53403562340173. The reversal of 53403562340143 is 34104326530435.

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 53403562340143 - 2⁴¹ = 51204539084591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53403562340143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53403562340123) 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, 398534047248 + ... + 398534047381.

It is an arithmetic number, because the mean of its divisors is an integer number (13550157608710).

Almost surely, 2^{53403562340143} is an apocalyptic number.

53403562340143 is a deficient number, since it is larger than the sum of its proper divisors (797068094697).

53403562340143 is an equidigital number, since it uses as much as digits as its factorization.

53403562340143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797068094696.

The product of its (nonzero) digits is 1555200, while the sum is 43.

Adding to 53403562340143 its reverse (34104326530435), we get a palindrome (87507888870578).

The spelling of 53403562340143 in words is "fifty-three trillion, four hundred three billion, five hundred sixty-two million, three hundred forty thousand, one hundred forty-three".