53253404430 has 128 divisors (see below), whose sum is σ = 136904380416. Its totient is φ = 13227456000.

The previous prime is 53253404401. The next prime is 53253404509. The reversal of 53253404430 is 3440435235.

It is a happy number.

53253404430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53253404391 and 53253404400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4244827 + ... + 4257353.

It is an arithmetic number, because the mean of its divisors is an integer number (1069565472).

Almost surely, 2^53253404430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53253404430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68452190208).

53253404430 is an abundant number, since it is smaller than the sum of its proper divisors (83650975986).

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

53253404430 is a wasteful number, since it uses less digits than its factorization.

53253404430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12722.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 53253404430 its reverse (3440435235), we get a palindrome (56693839665).

The spelling of 53253404430 in words is "fifty-three billion, two hundred fifty-three million, four hundred four thousand, four hundred thirty".