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52557482839 = 143213669959
BaseRepresentation
bin110000111100101010…
…111000101101010111
312000122211011202112111
4300330222320231113
51330114203422324
640051121131451
73540265142641
oct607452705527
9160584152474
1052557482839
1120320368834
12a229489b87
134c57877494
142788265891
151579177794
hexc3cab8b57

52557482839 has 4 divisors (see below), whose sum is σ = 52561167120. Its totient is φ = 52553798560.

The previous prime is 52557482777. The next prime is 52557482843. The reversal of 52557482839 is 93828475525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52557482839 - 217 = 52557351767 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52557482869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1820659 + ... + 1849300.

It is an arithmetic number, because the mean of its divisors is an integer number (13140291780).

Almost surely, 252557482839 is an apocalyptic number.

52557482839 is a deficient number, since it is larger than the sum of its proper divisors (3684281).

52557482839 is a wasteful number, since it uses less digits than its factorization.

52557482839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684280.

The product of its digits is 24192000, while the sum is 58.

The spelling of 52557482839 in words is "fifty-two billion, five hundred fifty-seven million, four hundred eighty-two thousand, eight hundred thirty-nine".

Divisors: 1 14321 3669959 52557482839