53911737513216 has 1512 divisors, whose sum is σ = 188772338068608. Its totient is φ = 15355422720000.

The previous prime is 53911737513209. The next prime is 53911737513287. The reversal of 53911737513216 is 61231573711935.

53911737513216 is a `hidden beast` number, since 5 + 3 + 9 + 117 + 3 + 7 + 513 + 2 + 1 + 6 = 666.

53911737513216 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 167 ways as a sum of consecutive naturals, for example, 71786600841 + ... + 71786601591.

Almost surely, 2^{53911737513216} 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 53911737513216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94386169034304).

53911737513216 is an abundant number, since it is smaller than the sum of its proper divisors (134860600555392).

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

53911737513216 is an frugal number, since it uses more digits than its factorization.

53911737513216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 784 counting only the distinct ones).

The product of its digits is 3572100, while the sum is 54.

The spelling of 53911737513216 in words is "fifty-three trillion, nine hundred eleven billion, seven hundred thirty-seven million, five hundred thirteen thousand, two hundred sixteen".