52297031808 has 320 divisors, whose sum is σ = 180323531520. Its totient is φ = 14735831040.

The previous prime is 52297031791. The next prime is 52297031827. The reversal of 52297031808 is 80813079225.

It is a happy number.

52297031808 is a `hidden beast` number, since 522 + 97 + 0 + 31 + 8 + 0 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5293113 + ... + 5302983.

It is an arithmetic number, because the mean of its divisors is an integer number (563511036).

Almost surely, 2^52297031808 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 52297031808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90161765760).

52297031808 is an abundant number, since it is smaller than the sum of its proper divisors (128026499712).

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

52297031808 is an equidigital number, since it uses as much as digits as its factorization.

52297031808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9977 (or 9956 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 52297031808 in words is "fifty-two billion, two hundred ninety-seven million, thirty-one thousand, eight hundred eight".