52507997826 has 8 divisors (see below), whose sum is σ = 105015995664. Its totient is φ = 17502665940.

The previous prime is 52507997819. The next prime is 52507997837. The reversal of 52507997826 is 62879970525.

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

52507997826 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 52507997826.

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, 4375666480 + ... + 4375666491.

It is an arithmetic number, because the mean of its divisors is an integer number (13126999458).

Almost surely, 2^52507997826 is an apocalyptic number.

52507997826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52507997826 is a wasteful number, since it uses less digits than its factorization.

52507997826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8751332976.

The product of its (nonzero) digits is 19051200, while the sum is 60.

The spelling of 52507997826 in words is "fifty-two billion, five hundred seven million, nine hundred ninety-seven thousand, eight hundred twenty-six".