52540051042 has 8 divisors (see below), whose sum is σ = 81527665500. Its totient is φ = 25364162544.

The previous prime is 52540051033. The next prime is 52540051087. The reversal of 52540051042 is 24015004525.

It can be written as a sum of positive squares in 2 ways, for example, as 52537682521 + 2368521 = 229211^2 + 1539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52540051042.

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 in 3 ways as a sum of consecutive naturals, for example, 452931417 + ... + 452931532.

Almost surely, 2^52540051042 is an apocalyptic number.

52540051042 is a deficient number, since it is larger than the sum of its proper divisors (28987614458).

52540051042 is a wasteful number, since it uses less digits than its factorization.

52540051042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905862980.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 52540051042 its reverse (24015004525), we get a palindrome (76555055567).

The spelling of 52540051042 in words is "fifty-two billion, five hundred forty million, fifty-one thousand, forty-two".