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55628946847 = 178929366479
BaseRepresentation
bin110011110011101111…
…100101110110011111
312022120212200022001201
4303303233211312133
51402412002244342
641320001220331
74006352150335
oct636357456637
9168525608051
1055628946847
11216570aa141
12a9460316a7
135326cc09c6
14299a151b55
1516a8b35db7
hexcf3be5d9f

55628946847 has 8 divisors (see below), whose sum is σ = 58907995200. Its totient is φ = 52350649344.

The previous prime is 55628946839. The next prime is 55628946851. The reversal of 55628946847 is 74864982655.

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 55628946847 - 23 = 55628946839 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 (55628946547) 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, 31447 + ... + 335032.

It is an arithmetic number, because the mean of its divisors is an integer number (7363499400).

Almost surely, 255628946847 is an apocalyptic number.

55628946847 is a deficient number, since it is larger than the sum of its proper divisors (3279048353).

55628946847 is a wasteful number, since it uses less digits than its factorization.

55628946847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375425.

The product of its digits is 116121600, while the sum is 64.

The spelling of 55628946847 in words is "fifty-five billion, six hundred twenty-eight million, nine hundred forty-six thousand, eight hundred forty-seven".

Divisors: 1 17 8929 151793 366479 6230143 3272290991 55628946847