53555368256 has 112 divisors (see below), whose sum is σ = 120486610944. Its totient is φ = 23432994816.

The previous prime is 53555368211. The next prime is 53555368259. The reversal of 53555368256 is 65286355535.

It is a super-3 number, since 3×53555368256³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53555368198 and 53555368207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53555368259) 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, 2149985 + ... + 2174751.

It is an arithmetic number, because the mean of its divisors is an integer number (1075773312).

Almost surely, 2^53555368256 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 53555368256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60243305472).

53555368256 is an abundant number, since it is smaller than the sum of its proper divisors (66931242688).

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

53555368256 is a wasteful number, since it uses less digits than its factorization.

53555368256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24928 (or 24918 counting only the distinct ones).

The product of its digits is 16200000, while the sum is 53.

The spelling of 53555368256 in words is "fifty-three billion, five hundred fifty-five million, three hundred sixty-eight thousand, two hundred fifty-six".