53387313216 has 112 divisors (see below), whose sum is σ = 144220435968. Its totient is φ = 17424691200.

The previous prime is 53387313211. The next prime is 53387313289. The reversal of 53387313216 is 61231378335.

It is not an unprimeable number, because it can be changed into a prime (53387313211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2601556 + ... + 2621996.

It is an arithmetic number, because the mean of its divisors is an integer number (1287682464).

Almost surely, 2^53387313216 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 53387313216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72110217984).

53387313216 is an abundant number, since it is smaller than the sum of its proper divisors (90833122752).

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

53387313216 is a wasteful number, since it uses less digits than its factorization.

53387313216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20740 (or 20730 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The spelling of 53387313216 in words is "fifty-three billion, three hundred eighty-seven million, three hundred thirteen thousand, two hundred sixteen".