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52055427840 = 2835131971773
BaseRepresentation
bin110000011110101111…
…101100101100000000
311222100211110201112220
4300132233230230000
51323102142142330
635525224251040
73521660556513
oct603657545400
9158324421486
1052055427840
1120092a28449
12a109310a80
134ba7852c10
14273b6d6d7a
15154a055710
hexc1ebecb00

52055427840 has 576 divisors, whose sum is σ = 191365493760. Its totient is φ = 11952783360.

The previous prime is 52055427817. The next prime is 52055427841. The reversal of 52055427840 is 4872455025.

It is a junction number, because it is equal to n+sod(n) for n = 52055427792 and 52055427801.

It is not an unprimeable number, because it can be changed into a prime (52055427841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67341694 + ... + 67342466.

It is an arithmetic number, because the mean of its divisors is an integer number (332231760).

Almost surely, 252055427840 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 52055427840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95682746880).

52055427840 is an abundant number, since it is smaller than the sum of its proper divisors (139310065920).

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

52055427840 is a wasteful number, since it uses less digits than its factorization.

52055427840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 42.

The spelling of 52055427840 in words is "fifty-two billion, fifty-five million, four hundred twenty-seven thousand, eight hundred forty".