52502323442 has 4 divisors (see below), whose sum is σ = 78753485166. Its totient is φ = 26251161720.

The previous prime is 52502323427. The next prime is 52502323453. The reversal of 52502323442 is 24432320525.

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

It can be written as a sum of positive squares in only one way, i.e., 34834862881 + 17667460561 = 186641^2 + 132919^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52502323399 and 52502323408.

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, 13125580859 + ... + 13125580862.

Almost surely, 2^52502323442 is an apocalyptic number.

52502323442 is a deficient number, since it is larger than the sum of its proper divisors (26251161724).

52502323442 is a wasteful number, since it uses less digits than its factorization.

52502323442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26251161723.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 52502323442 its reverse (24432320525), we get a palindrome (76934643967).

The spelling of 52502323442 in words is "fifty-two billion, five hundred two million, three hundred twenty-three thousand, four hundred forty-two".