52544251142 has 4 divisors (see below), whose sum is σ = 78816376716. Its totient is φ = 26272125570.

The previous prime is 52544251129. The next prime is 52544251153. The reversal of 52544251142 is 24115244525.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13136062784 + ... + 13136062787.

It is an arithmetic number, because the mean of its divisors is an integer number (19704094179).

Almost surely, 2^52544251142 is an apocalyptic number.

52544251142 is a deficient number, since it is larger than the sum of its proper divisors (26272125574).

52544251142 is a wasteful number, since it uses less digits than its factorization.

52544251142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26272125573.

The product of its digits is 64000, while the sum is 35.

Adding to 52544251142 its reverse (24115244525), we get a palindrome (76659495667).

The spelling of 52544251142 in words is "fifty-two billion, five hundred forty-four million, two hundred fifty-one thousand, one hundred forty-two".