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55611767774641 = 139744101322581
BaseRepresentation
bin11001010010100000111111…
…01010011101110110110001
321021220102200201021100002111
430221100133222131312301
524242120400022242031
6314135405440245321
714466550306443211
oct1451203752356661
9237812621240074
1055611767774641
11167a0900127431
1262a1b24610841
13250522344b0b0
14da38a4082241
156668ca39c1b1
hex32941fa9ddb1

55611767774641 has 8 divisors (see below), whose sum is σ = 60507014582504. Its totient is φ = 50804723612160.

The previous prime is 55611767774623. The next prime is 55611767774653. The reversal of 55611767774641 is 14647776711655.

It can be written as a sum of positive squares in 4 ways, for example, as 13153707254416 + 42458060520225 = 3626804^2 + 6515985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55611767774641 - 213 = 55611767766449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55611767771641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22050660030 + ... + 22050662551.

It is an arithmetic number, because the mean of its divisors is an integer number (7563376822813).

Almost surely, 255611767774641 is an apocalyptic number.

It is an amenable number.

55611767774641 is a deficient number, since it is larger than the sum of its proper divisors (4895246807863).

55611767774641 is a wasteful number, since it uses less digits than its factorization.

55611767774641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44101322691.

The product of its digits is 207446400, while the sum is 67.

The spelling of 55611767774641 in words is "fifty-five trillion, six hundred eleven billion, seven hundred sixty-seven million, seven hundred seventy-four thousand, six hundred forty-one".

Divisors: 1 13 97 1261 44101322581 573317193553 4277828290357 55611767774641