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55274014808261 = 1952140211388659
BaseRepresentation
bin11001001000101011111000…
…00001001001100011000101
321020201010220010110220111022
430210111330001021203011
524221102140242331021
6313320310514120525
714433262420550264
oct1444257401114305
9236633803426438
1055274014808261
111668063a406777
126248583880145
1324ac417c58732
14d913c2d745db
1565cc0d6141ab
hex32457c0498c5

55274014808261 has 16 divisors (see below), whose sum is σ = 58309389028800. Its totient is φ = 52251312297600.

The previous prime is 55274014808161. The next prime is 55274014808263. The reversal of 55274014808261 is 16280841047255.

It is a cyclic number.

It is not a de Polignac number, because 55274014808261 - 230 = 55272941066437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55274014808263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39109550 + ... + 40498208.

It is an arithmetic number, because the mean of its divisors is an integer number (3644336814300).

Almost surely, 255274014808261 is an apocalyptic number.

It is an amenable number.

55274014808261 is a deficient number, since it is larger than the sum of its proper divisors (3035374220539).

55274014808261 is a wasteful number, since it uses less digits than its factorization.

55274014808261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393220.

The product of its (nonzero) digits is 4300800, while the sum is 53.

The spelling of 55274014808261 in words is "fifty-five trillion, two hundred seventy-four billion, fourteen million, eight hundred eight thousand, two hundred sixty-one".

Divisors: 1 19 521 4021 9899 76399 1388659 2094941 26384521 39803879 723491339 5583797839 13746335441 106092158941 2909158674119 55274014808261