52997219520 has 224 divisors, whose sum is σ = 194740377600. Its totient is φ = 11960193024.

The previous prime is 52997219489. The next prime is 52997219521. The reversal of 52997219520 is 2591279925.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (52997219521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480966 + ... + 580794.

Almost surely, 2^52997219520 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 52997219520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97370188800).

52997219520 is an abundant number, since it is smaller than the sum of its proper divisors (141743158080).

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

52997219520 is a wasteful number, since it uses less digits than its factorization.

52997219520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99935 (or 99925 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 51.

The spelling of 52997219520 in words is "fifty-two billion, nine hundred ninety-seven million, two hundred nineteen thousand, five hundred twenty".