53321243404263 has 8 divisors (see below), whose sum is σ = 71107501344768. Its totient is φ = 35541240533304.

The previous prime is 53321243404249. The next prime is 53321243404291. The reversal of 53321243404263 is 36240434212335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53321243404263 - 2⁹ = 53321243403751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53321243404223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563747495 + ... + 1563781592.

It is an arithmetic number, because the mean of its divisors is an integer number (8888437668096).

Almost surely, 2^{53321243404263} is an apocalyptic number.

53321243404263 is a deficient number, since it is larger than the sum of its proper divisors (17786257940505).

53321243404263 is a wasteful number, since it uses less digits than its factorization.

53321243404263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127534773.

The product of its (nonzero) digits is 1244160, while the sum is 42.

Adding to 53321243404263 its reverse (36240434212335), we get a palindrome (89561677616598).

The spelling of 53321243404263 in words is "fifty-three trillion, three hundred twenty-one billion, two hundred forty-three million, four hundred four thousand, two hundred sixty-three".