52118898696 has 72 divisors (see below), whose sum is σ = 142460799390. Its totient is φ = 17212419840.

The previous prime is 52118898661. The next prime is 52118898697. The reversal of 52118898696 is 69689881125.

52118898696 is a `hidden beast` number, since 521 + 18 + 8 + 9 + 8 + 6 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51888284100 + 230614596 = 227790^2 + 15186^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52118898697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20590951 + ... + 20593481.

Almost surely, 2^52118898696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52118898696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71230399695).

52118898696 is an abundant number, since it is smaller than the sum of its proper divisors (90341900694).

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

52118898696 is a wasteful number, since it uses less digits than its factorization.

52118898696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187 (or 2649 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 63.

The spelling of 52118898696 in words is "fifty-two billion, one hundred eighteen million, eight hundred ninety-eight thousand, six hundred ninety-six".