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52545705056 = 25131923299967
BaseRepresentation
bin110000111011111101…
…111101010001100000
312000122000000101110022
4300323331331101200
51330103200030211
640050020453012
73540063060245
oct607375752140
9160560011408
1052545705056
1120314753a29
12a22554a168
134c552b2690
14278687b5cc
1515780ecbdb
hexc3bf7d460

52545705056 has 192 divisors, whose sum is σ = 126601574400. Its totient is φ = 21216577536.

The previous prime is 52545705049. The next prime is 52545705119. The reversal of 52545705056 is 65050754525.

It is a happy number.

It is a super-3 number, since 3×525457050563 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 52545704998 and 52545705016.

It is a congruent number.

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, 5266985 + ... + 5276951.

It is an arithmetic number, because the mean of its divisors is an integer number (659383200).

Almost surely, 252545705056 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 52545705056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63300787200).

52545705056 is an abundant number, since it is smaller than the sum of its proper divisors (74055869344).

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

52545705056 is a wasteful number, since it uses less digits than its factorization.

52545705056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061 (or 10053 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 44.

The spelling of 52545705056 in words is "fifty-two billion, five hundred forty-five million, seven hundred five thousand, fifty-six".