52657121296 has 80 divisors (see below), whose sum is σ = 113542955008. Its totient is φ = 23492851200.

The previous prime is 52657121273. The next prime is 52657121299. The reversal of 52657121296 is 69212175625.

It is not an unprimeable number, because it can be changed into a prime (52657121299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6424561 + ... + 6432751.

Almost surely, 2^52657121296 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 52657121296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56771477504).

52657121296 is an abundant number, since it is smaller than the sum of its proper divisors (60885833712).

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

52657121296 is a wasteful number, since it uses less digits than its factorization.

52657121296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9240 (or 9234 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The spelling of 52657121296 in words is "fifty-two billion, six hundred fifty-seven million, one hundred twenty-one thousand, two hundred ninety-six".