52019197992 has 96 divisors (see below), whose sum is σ = 146638533600. Its totient is φ = 16638991488.

The previous prime is 52019197921. The next prime is 52019198017. The reversal of 52019197992 is 29979191025.

52019197992 is a `hidden beast` number, since 520 + 19 + 19 + 7 + 9 + 92 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263923 + ... + 416765.

It is an arithmetic number, because the mean of its divisors is an integer number (1527484725).

Almost surely, 2^52019197992 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 52019197992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73319266800).

52019197992 is an abundant number, since it is smaller than the sum of its proper divisors (94619335608).

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

52019197992 is a wasteful number, since it uses less digits than its factorization.

52019197992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153047 (or 153040 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 54.

The spelling of 52019197992 in words is "fifty-two billion, nineteen million, one hundred ninety-seven thousand, nine hundred ninety-two".