52235153215504 has 80 divisors (see below), whose sum is σ = 117297272672640. Its totient is φ = 22070548362240.

The previous prime is 52235153215499. The next prime is 52235153215537. The reversal of 52235153215504 is 40551235153225.

It is a super-2 number, since 2×52235153215504² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18125427 + ... + 20808685.

It is an arithmetic number, because the mean of its divisors is an integer number (1466215908408).

Almost surely, 2^{52235153215504} 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 52235153215504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58648636336320).

52235153215504 is an abundant number, since it is smaller than the sum of its proper divisors (65062119457136).

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

52235153215504 is a wasteful number, since it uses less digits than its factorization.

52235153215504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685728 (or 2685722 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 43.

Adding to 52235153215504 its reverse (40551235153225), we get a palindrome (92786388368729).

The spelling of 52235153215504 in words is "fifty-two trillion, two hundred thirty-five billion, one hundred fifty-three million, two hundred fifteen thousand, five hundred four".