53002143 has 12 divisors (see below), whose sum is σ = 79887600. Its totient is φ = 33798336.

The previous prime is 53002123. The next prime is 53002171. The reversal of 53002143 is 34120035.

It is not a de Polignac number, because 53002143 - 2¹⁰ = 53001119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53002123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127818 + ... + 128231.

It is an arithmetic number, because the mean of its divisors is an integer number (6657300).

Almost surely, 2^53002143 is an apocalyptic number.

53002143 is a deficient number, since it is larger than the sum of its proper divisors (26885457).

53002143 is a wasteful number, since it uses less digits than its factorization.

53002143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256078 (or 256075 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 53002143 is about 7280.2570696370. The cubic root of 53002143 is about 375.6336380711.

Adding to 53002143 its reverse (34120035), we get a palindrome (87122178).

The spelling of 53002143 in words is "fifty-three million, two thousand, one hundred forty-three".