53531130335263 has 4 divisors (see below), whose sum is σ = 61178434668880. Its totient is φ = 45883826001648.

The previous prime is 53531130335251. The next prime is 53531130335281. The reversal of 53531130335263 is 36253303113535.

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 53531130335263 - 2⁵ = 53531130335231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53531130335213) 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, 3823652166798 + ... + 3823652166811.

It is an arithmetic number, because the mean of its divisors is an integer number (15294608667220).

Almost surely, 2^{53531130335263} is an apocalyptic number.

53531130335263 is a deficient number, since it is larger than the sum of its proper divisors (7647304333617).

53531130335263 is an equidigital number, since it uses as much as digits as its factorization.

53531130335263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7647304333616.

The product of its (nonzero) digits is 1093500, while the sum is 43.

Adding to 53531130335263 its reverse (36253303113535), we get a palindrome (89784433448798).

The spelling of 53531130335263 in words is "fifty-three trillion, five hundred thirty-one billion, one hundred thirty million, three hundred thirty-five thousand, two hundred sixty-three".