52515323242 has 8 divisors (see below), whose sum is σ = 78775630596. Its totient is φ = 26256779712.

The previous prime is 52515323227. The next prime is 52515323269. The reversal of 52515323242 is 24232351525.

It can be written as a sum of positive squares in 2 ways, for example, as 51012287881 + 1503035361 = 225859^2 + 38769^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 52515323198 and 52515323207.

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, 363823 + ... + 487234.

Almost surely, 2^52515323242 is an apocalyptic number.

52515323242 is a deficient number, since it is larger than the sum of its proper divisors (26260307354).

52515323242 is a wasteful number, since it uses less digits than its factorization.

52515323242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881912.

The product of its digits is 72000, while the sum is 34.

Adding to 52515323242 its reverse (24232351525), we get a palindrome (76747674767).

The spelling of 52515323242 in words is "fifty-two billion, five hundred fifteen million, three hundred twenty-three thousand, two hundred forty-two".