5247755320 has 64 divisors (see below), whose sum is σ = 12228732000. Its totient is φ = 2024375808.

The previous prime is 5247755297. The next prime is 5247755321. The reversal of 5247755320 is 235577425.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5247755321) 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, 1265811 + ... + 1269949.

Almost surely, 2^5247755320 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 5247755320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6114366000).

5247755320 is an abundant number, since it is smaller than the sum of its proper divisors (6980976680).

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

5247755320 is a wasteful number, since it uses less digits than its factorization.

5247755320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5272 (or 5268 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 40.

The square root of 5247755320 is about 72441.3923113022. The cubic root of 5247755320 is about 1737.7655865775.

The spelling of 5247755320 in words is "five billion, two hundred forty-seven million, seven hundred fifty-five thousand, three hundred twenty".