52191844848 has 240 divisors, whose sum is σ = 175254782976. Its totient is φ = 14288232960.

The previous prime is 52191844811. The next prime is 52191844849. The reversal of 52191844848 is 84844819125.

52191844848 is a `hidden beast` number, since 5 + 2 + 191 + 8 + 448 + 4 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 52191844794 and 52191844803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52191844849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 940861 + ... + 994787.

Almost surely, 2^52191844848 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 52191844848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87627391488).

52191844848 is an abundant number, since it is smaller than the sum of its proper divisors (123062938128).

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

52191844848 is a wasteful number, since it uses less digits than its factorization.

52191844848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54012 (or 54003 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The spelling of 52191844848 in words is "fifty-two billion, one hundred ninety-one million, eight hundred forty-four thousand, eight hundred forty-eight".