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55008517648 = 247895518511
BaseRepresentation
bin110011001110110000…
…110101111000010000
312020222122020020012111
4303032300311320100
51400124140031043
641134235235104
73655106454010
oct631660657020
9166878206174
1055008517648
1121368968537
12a7b22a8a94
1352585c1536
14293b9abc40
15166e43009d
hexccec35e10

55008517648 has 40 divisors (see below), whose sum is σ = 123173187840. Its totient is φ = 23310186240.

The previous prime is 55008517643. The next prime is 55008517661. The reversal of 55008517648 is 84671580055.

It is not an unprimeable number, because it can be changed into a prime (55008517643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2749288 + ... + 2769223.

It is an arithmetic number, because the mean of its divisors is an integer number (3079329696).

Almost surely, 255008517648 is an apocalyptic number.

It is an amenable number.

55008517648 is an abundant number, since it is smaller than the sum of its proper divisors (68164670192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55008517648 is a wasteful number, since it uses less digits than its factorization.

55008517648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518615 (or 5518609 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 49.

The spelling of 55008517648 in words is "fifty-five billion, eight million, five hundred seventeen thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 89 112 178 356 623 712 1246 1424 2492 4984 9968 5518511 11037022 22074044 38629577 44148088 77259154 88296176 154518308 309036616 491147479 618073232 982294958 1964589916 3438032353 3929179832 6876064706 7858359664 13752129412 27504258824 55008517648