53013230452 has 48 divisors (see below), whose sum is σ = 114315328512. Its totient is φ = 20947841280.

The previous prime is 53013230447. The next prime is 53013230477. The reversal of 53013230452 is 25403231035.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 53013230452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229752 + ... + 398512.

It is an arithmetic number, because the mean of its divisors is an integer number (2381569344).

Almost surely, 2^53013230452 is an apocalyptic number.

53013230452 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53013230452 is an abundant number, since it is smaller than the sum of its proper divisors (61302098060).

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

53013230452 is a wasteful number, since it uses less digits than its factorization.

53013230452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169648 (or 169646 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 53013230452 its reverse (25403231035), we get a palindrome (78416461487).

The spelling of 53013230452 in words is "fifty-three billion, thirteen million, two hundred thirty thousand, four hundred fifty-two".