52199639894 has 8 divisors (see below), whose sum is σ = 78301239528. Its totient is φ = 26099226720.

The previous prime is 52199639879. The next prime is 52199639929. The reversal of 52199639894 is 49893699125.

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 52199639894.

It is a congruent number.

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, 176972 + ... + 368399.

It is an arithmetic number, because the mean of its divisors is an integer number (9787654941).

Almost surely, 2^52199639894 is an apocalyptic number.

52199639894 is a deficient number, since it is larger than the sum of its proper divisors (26101599634).

52199639894 is a wasteful number, since it uses less digits than its factorization.

52199639894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593230.

The product of its digits is 37791360, while the sum is 65.

The spelling of 52199639894 in words is "fifty-two billion, one hundred ninety-nine million, six hundred thirty-nine thousand, eight hundred ninety-four".