52191492608 has 80 divisors (see below), whose sum is σ = 105777086976. Its totient is φ = 25723944960.

The previous prime is 52191492607. The next prime is 52191492611. The reversal of 52191492608 is 80629419125.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52191492607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11048135 + ... + 11052857.

Almost surely, 2^52191492608 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 52191492608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52888543488).

52191492608 is an abundant number, since it is smaller than the sum of its proper divisors (53585594368).

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

52191492608 is a wasteful number, since it uses less digits than its factorization.

52191492608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045 (or 5029 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 52191492608 in words is "fifty-two billion, one hundred ninety-one million, four hundred ninety-two thousand, six hundred eight".