5235521472 has 168 divisors, whose sum is σ = 15405811200. Its totient is φ = 1699276800.

The previous prime is 5235521471. The next prime is 5235521477. The reversal of 5235521472 is 2741255325.

5235521472 is a `hidden beast` number, since 5 + 23 + 552 + 14 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5235521471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4548097 + ... + 4549247.

Almost surely, 2^5235521472 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 5235521472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7702905600).

5235521472 is an abundant number, since it is smaller than the sum of its proper divisors (10170289728).

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

5235521472 is a wasteful number, since it uses less digits than its factorization.

5235521472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371 (or 1358 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 5235521472 is about 72356.9034163293. The cubic root of 5235521472 is about 1736.4141451419.

Adding to 5235521472 its reverse (2741255325), we get a palindrome (7976776797).

The spelling of 5235521472 in words is "five billion, two hundred thirty-five million, five hundred twenty-one thousand, four hundred seventy-two".