5253516450 has 144 divisors (see below), whose sum is σ = 17371763136. Its totient is φ = 1108425600.

The previous prime is 5253516413. The next prime is 5253516451. The reversal of 5253516450 is 546153525.

5253516450 is a `hidden beast` number, since 5 + 2 + 5 + 3 + 5 + 1 + 645 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (5253516451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 23196 + ... + 105095.

It is an arithmetic number, because the mean of its divisors is an integer number (120637244).

Almost surely, 2^5253516450 is an apocalyptic number.

5253516450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5253516450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8685881568).

5253516450 is an abundant number, since it is smaller than the sum of its proper divisors (12118246686).

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

5253516450 is a wasteful number, since it uses less digits than its factorization.

5253516450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128329 (or 128321 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 5253516450 is about 72481.1454793590. The cubic root of 5253516450 is about 1738.4012762801.

Adding to 5253516450 its reverse (546153525), we get a palindrome (5799669975).

The spelling of 5253516450 in words is "five billion, two hundred fifty-three million, five hundred sixteen thousand, four hundred fifty".