5253436220 has 72 divisors (see below), whose sum is σ = 11836692000. Its totient is φ = 1957964800.

The previous prime is 5253436213. The next prime is 5253436229. The reversal of 5253436220 is 226343525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5253436229) 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, 579281 + ... + 588279.

It is an arithmetic number, because the mean of its divisors is an integer number (164398500).

Almost surely, 2^5253436220 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 5253436220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5918346000).

5253436220 is an abundant number, since it is smaller than the sum of its proper divisors (6583255780).

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

5253436220 is a wasteful number, since it uses less digits than its factorization.

5253436220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9143 (or 9124 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 5253436220 is about 72480.5920229685. The cubic root of 5253436220 is about 1738.3924268015.

Adding to 5253436220 its reverse (226343525), we get a palindrome (5479779745).

The spelling of 5253436220 in words is "five billion, two hundred fifty-three million, four hundred thirty-six thousand, two hundred twenty".