53003353143 has 16 divisors (see below), whose sum is σ = 76246545536. Its totient is φ = 32557805280.

The previous prime is 53003353111. The next prime is 53003353217. The reversal of 53003353143 is 34135330035.

It is not a de Polignac number, because 53003353143 - 2⁵ = 53003353111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53003353143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53003353243) 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 15 ways as a sum of consecutive naturals, for example, 1220953 + ... + 1263618.

It is an arithmetic number, because the mean of its divisors is an integer number (4765409096).

Almost surely, 2^53003353143 is an apocalyptic number.

53003353143 is a deficient number, since it is larger than the sum of its proper divisors (23243192393).

53003353143 is a wasteful number, since it uses less digits than its factorization.

53003353143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485134.

The product of its (nonzero) digits is 24300, while the sum is 30.

Adding to 53003353143 its reverse (34135330035), we get a palindrome (87138683178).

The spelling of 53003353143 in words is "fifty-three billion, three million, three hundred fifty-three thousand, one hundred forty-three".