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55011109907 = 138594926221
BaseRepresentation
bin110011001110111010…
…101110110000010011
312020222211002221010002
4303032322232300103
51400130321004112
641134411000215
73655140501425
oct631672566023
9166884087102
1055011109907
112136a3790a6
12a7b313906b
135258cbb410
14293c084815
15166e7931c2
hexcceeaec13

55011109907 has 8 divisors (see below), whose sum is σ = 59311712880. Its totient is φ = 50720361120.

The previous prime is 55011109873. The next prime is 55011109919. The reversal of 55011109907 is 70990111055.

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

It is not a de Polignac number, because 55011109907 - 214 = 55011093523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55011109007) 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, 2451944 + ... + 2474277.

It is an arithmetic number, because the mean of its divisors is an integer number (7413964110).

Almost surely, 255011109907 is an apocalyptic number.

55011109907 is a deficient number, since it is larger than the sum of its proper divisors (4300602973).

55011109907 is a wasteful number, since it uses less digits than its factorization.

55011109907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927093.

The product of its (nonzero) digits is 14175, while the sum is 38.

The spelling of 55011109907 in words is "fifty-five billion, eleven million, one hundred nine thousand, nine hundred seven".

Divisors: 1 13 859 11167 4926221 64040873 4231623839 55011109907