52423452521104 has 160 divisors (see below), whose sum is σ = 122393290899456. Its totient is φ = 21276573626880.

The previous prime is 52423452521053. The next prime is 52423452521119. The reversal of 52423452521104 is 40112525432425.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1260249234 + ... + 1260290830.

Almost surely, 2^{52423452521104} 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 52423452521104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61196645449728).

52423452521104 is an abundant number, since it is smaller than the sum of its proper divisors (69969838378352).

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

52423452521104 is a wasteful number, since it uses less digits than its factorization.

52423452521104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49413 (or 49407 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 52423452521104 its reverse (40112525432425), we get a palindrome (92535977953529).

The spelling of 52423452521104 in words is "fifty-two trillion, four hundred twenty-three billion, four hundred fifty-two million, five hundred twenty-one thousand, one hundred four".