53555843712 has 256 divisors, whose sum is σ = 170304030720. Its totient is φ = 14579896320.

The previous prime is 53555843669. The next prime is 53555843743. The reversal of 53555843712 is 21734855535.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17494662 + ... + 17497722.

It is an arithmetic number, because the mean of its divisors is an integer number (665250120).

Almost surely, 2^53555843712 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 53555843712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85152015360).

53555843712 is an abundant number, since it is smaller than the sum of its proper divisors (116748187008).

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

53555843712 is a wasteful number, since it uses less digits than its factorization.

53555843712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391 (or 3379 counting only the distinct ones).

The product of its digits is 2520000, while the sum is 48.

The spelling of 53555843712 in words is "fifty-three billion, five hundred fifty-five million, eight hundred forty-three thousand, seven hundred twelve".