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55678136463 = 3237167201611
BaseRepresentation
bin110011110110101011…
…001111000010001111
312022201022020101112100
4303312223033002033
51403012100331323
641324515410143
74010520231315
oct636653170217
9168638211470
1055678136463
1121681947014
12a95a5b3953
1353342542a1
1429a28b80b5
1516ad100943
hexcf6acf08f

55678136463 has 12 divisors (see below), whose sum is σ = 82597596328. Its totient is φ = 36115547760.

The previous prime is 55678136461. The next prime is 55678136473. The reversal of 55678136463 is 36463187655.

55678136463 is a `hidden beast` number, since 5 + 567 + 8 + 1 + 36 + 46 + 3 = 666.

It is not a de Polignac number, because 55678136463 - 21 = 55678136461 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 (55678136461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83600473 + ... + 83601138.

Almost surely, 255678136463 is an apocalyptic number.

55678136463 is a deficient number, since it is larger than the sum of its proper divisors (26919459865).

55678136463 is a wasteful number, since it uses less digits than its factorization.

55678136463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167201654 (or 167201651 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 55678136463 in words is "fifty-five billion, six hundred seventy-eight million, one hundred thirty-six thousand, four hundred sixty-three".

Divisors: 1 3 9 37 111 333 167201611 501604833 1504814499 6186459607 18559378821 55678136463