53529657216 has 192 divisors, whose sum is σ = 170739970560. Its totient is φ = 14800665600.

The previous prime is 53529657199. The next prime is 53529657271. The reversal of 53529657216 is 61275692535.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 537411 + ... + 629181.

It is an arithmetic number, because the mean of its divisors is an integer number (889270680).

Almost surely, 2^53529657216 is an apocalyptic number.

53529657216 is a gapful number since it is divisible by the number (56) 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 53529657216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85369985280).

53529657216 is an abundant number, since it is smaller than the sum of its proper divisors (117210313344).

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

53529657216 is a wasteful number, since it uses less digits than its factorization.

53529657216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91833 (or 91814 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 51.

The spelling of 53529657216 in words is "fifty-three billion, five hundred twenty-nine million, six hundred fifty-seven thousand, two hundred sixteen".