52005142 has 16 divisors (see below), whose sum is σ = 94396320. Its totient is φ = 20976768.

The previous prime is 52005119. The next prime is 52005169. The reversal of 52005142 is 24150025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109017 + ... + 109492.

It is an arithmetic number, because the mean of its divisors is an integer number (5899770).

Almost surely, 2^52005142 is an apocalyptic number.

52005142 is a deficient number, since it is larger than the sum of its proper divisors (42391178).

52005142 is a wasteful number, since it uses less digits than its factorization.

52005142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218535.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 52005142 is about 7211.4590756656. The cubic root of 52005142 is about 373.2634182072.

Adding to 52005142 its reverse (24150025), we get a palindrome (76155167).

The spelling of 52005142 in words is "fifty-two million, five thousand, one hundred forty-two".