53224535520 has 864 divisors, whose sum is σ = 211592751552. Its totient is φ = 12145655808.

The previous prime is 53224535503. The next prime is 53224535549. The reversal of 53224535520 is 2553542235.

53224535520 is a `hidden beast` number, since 5 + 32 + 24 + 53 + 552 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 207099232 + ... + 207099488.

It is an arithmetic number, because the mean of its divisors is an integer number (244899018).

Almost surely, 2^53224535520 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 53224535520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105796375776).

53224535520 is an abundant number, since it is smaller than the sum of its proper divisors (158368216032).

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

53224535520 is a wasteful number, since it uses less digits than its factorization.

53224535520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

It can be divided in two parts, 532245 and 35520, that added together give a palindrome (567765).

The spelling of 53224535520 in words is "fifty-three billion, two hundred twenty-four million, five hundred thirty-five thousand, five hundred twenty".