53145063343 has 4 divisors (see below), whose sum is σ = 55942171960. Its totient is φ = 50347954728.

The previous prime is 53145063317. The next prime is 53145063353. The reversal of 53145063343 is 34336054135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53145063343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53145063353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398554280 + ... + 1398554317.

It is an arithmetic number, because the mean of its divisors is an integer number (13985542990).

Almost surely, 2^53145063343 is an apocalyptic number.

53145063343 is a deficient number, since it is larger than the sum of its proper divisors (2797108617).

53145063343 is a wasteful number, since it uses less digits than its factorization.

53145063343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797108616.

The product of its (nonzero) digits is 194400, while the sum is 37.

The spelling of 53145063343 in words is "fifty-three billion, one hundred forty-five million, sixty-three thousand, three hundred forty-three".