53107218432 has 384 divisors, whose sum is σ = 162468633600. Its totient is φ = 17348567040.

The previous prime is 53107218427. The next prime is 53107218443. The reversal of 53107218432 is 23481270135.

53107218432 is a `hidden beast` number, since 5 + 3 + 1 + 0 + 7 + 218 + 432 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318007213 + ... + 318007379.

It is an arithmetic number, because the mean of its divisors is an integer number (423095400).

Almost surely, 2^53107218432 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 53107218432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81234316800).

53107218432 is an abundant number, since it is smaller than the sum of its proper divisors (109361415168).

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

53107218432 is an frugal number, since it uses more digits than its factorization.

53107218432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 53107218432 its reverse (23481270135), we get a palindrome (76588488567).

The spelling of 53107218432 in words is "fifty-three billion, one hundred seven million, two hundred eighteen thousand, four hundred thirty-two".