53445314543 has 2 divisors, whose sum is σ = 53445314544. Its totient is φ = 53445314542.

The previous prime is 53445314501. The next prime is 53445314563. The reversal of 53445314543 is 34541354435.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53445314543 - 2⁶ = 53445314479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53445314543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53445314563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26722657271 + 26722657272.

It is an arithmetic number, because the mean of its divisors is an integer number (26722657272).

Almost surely, 2^53445314543 is an apocalyptic number.

53445314543 is a deficient number, since it is larger than the sum of its proper divisors (1).

53445314543 is an equidigital number, since it uses as much as digits as its factorization.

53445314543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864000, while the sum is 41.

Adding to 53445314543 its reverse (34541354435), we get a palindrome (87986668978).

The spelling of 53445314543 in words is "fifty-three billion, four hundred forty-five million, three hundred fourteen thousand, five hundred forty-three".