53143544302503 has 16 divisors (see below), whose sum is σ = 71583015129600. Its totient is φ = 35066907406944.

The previous prime is 53143544302417. The next prime is 53143544302507. The reversal of 53143544302503 is 30520344534135.

It is not a de Polignac number, because 53143544302503 - 2²² = 53143540108199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53143544302507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43889403 + ... + 45083996.

It is an arithmetic number, because the mean of its divisors is an integer number (4473938445600).

Almost surely, 2^{53143544302503} is an apocalyptic number.

53143544302503 is a deficient number, since it is larger than the sum of its proper divisors (18439470827097).

53143544302503 is a wasteful number, since it uses less digits than its factorization.

53143544302503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88975438.

The product of its (nonzero) digits is 1296000, while the sum is 42.

Adding to 53143544302503 its reverse (30520344534135), we get a palindrome (83663888836638).

The spelling of 53143544302503 in words is "fifty-three trillion, one hundred forty-three billion, five hundred forty-four million, three hundred two thousand, five hundred three".