53445205343 has 4 divisors (see below), whose sum is σ = 53451409080. Its totient is φ = 53439001608.

The previous prime is 53445205337. The next prime is 53445205357. The reversal of 53445205343 is 34350254435.

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 53445205343 - 2¹⁴ = 53445188959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53445205297 and 53445205306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53445205243) 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, 3088928 + ... + 3106181.

It is an arithmetic number, because the mean of its divisors is an integer number (13362852270).

Almost surely, 2^53445205343 is an apocalyptic number.

53445205343 is a deficient number, since it is larger than the sum of its proper divisors (6203737).

53445205343 is an equidigital number, since it uses as much as digits as its factorization.

53445205343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6203736.

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 53445205343 its reverse (34350254435), we get a palindrome (87795459778).

The spelling of 53445205343 in words is "fifty-three billion, four hundred forty-five million, two hundred five thousand, three hundred forty-three".