53512543223424 has 128 divisors (see below), whose sum is σ = 157954235635200. Its totient is φ = 17835491616768.

The previous prime is 53512543223423. The next prime is 53512543223483. The reversal of 53512543223424 is 42432234521535.

It is a happy number.

53512543223424 is a `hidden beast` number, since 5 + 3 + 51 + 2 + 543 + 2 + 2 + 34 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 53512543223424.

It is not an unprimeable number, because it can be changed into a prime (53512543223423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29757012 + ... + 31504044.

It is an arithmetic number, because the mean of its divisors is an integer number (1234017465900).

Almost surely, 2^{53512543223424} is an apocalyptic number.

53512543223424 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53512543223424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78977117817600).

53512543223424 is an abundant number, since it is smaller than the sum of its proper divisors (104441692411776).

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

53512543223424 is a wasteful number, since it uses less digits than its factorization.

53512543223424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755919 (or 1755901 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 45.

Adding to 53512543223424 its reverse (42432234521535), we get a palindrome (95944777744959).

The spelling of 53512543223424 in words is "fifty-three trillion, five hundred twelve billion, five hundred forty-three million, two hundred twenty-three thousand, four hundred twenty-four".