52505693938 has 8 divisors (see below), whose sum is σ = 78780945132. Its totient is φ = 26245378896.

The previous prime is 52505693909. The next prime is 52505693969. The reversal of 52505693938 is 83939650525.

It can be written as a sum of positive squares in 2 ways, for example, as 50910250689 + 1595443249 = 225633^2 + 39943^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3725245 + ... + 3739312.

Almost surely, 2^52505693938 is an apocalyptic number.

52505693938 is a deficient number, since it is larger than the sum of its proper divisors (26275251194).

52505693938 is a wasteful number, since it uses less digits than its factorization.

52505693938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7468076.

The product of its (nonzero) digits is 8748000, while the sum is 55.

The spelling of 52505693938 in words is "fifty-two billion, five hundred five million, six hundred ninety-three thousand, nine hundred thirty-eight".