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55057017638079 = 3271111227774643
BaseRepresentation
bin11001000010010111101011…
…11110101000110010111111
321012221101210020000111212100
430201023311332220302333
524204023233003404304
6313032502243440143
714411511136206252
oct1441136576506277
9235841706014770
1055057017638079
11165a7606139a96
126212503986053
132494b153c7212
14d84ab970d099
1565725cd76439
hex3212f5fa8cbf

55057017638079 has 24 divisors (see below), whose sum is σ = 80647728250752. Its totient is φ = 36187339058640.

The previous prime is 55057017637997. The next prime is 55057017638089. The reversal of 55057017638079 is 97083671075055.

55057017638079 is a `hidden beast` number, since 5 + 50 + 5 + 70 + 1 + 76 + 380 + 79 = 666.

It is not a de Polignac number, because 55057017638079 - 28 = 55057017637823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55057017638089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70686732 + ... + 71461374.

It is an arithmetic number, because the mean of its divisors is an integer number (3360322010448).

Almost surely, 255057017638079 is an apocalyptic number.

55057017638079 is a deficient number, since it is larger than the sum of its proper divisors (25590710612673).

55057017638079 is a wasteful number, since it uses less digits than its factorization.

55057017638079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885947 (or 885944 counting only the distinct ones).

The product of its (nonzero) digits is 55566000, while the sum is 63.

The spelling of 55057017638079 in words is "fifty-five trillion, fifty-seven billion, seventeen million, six hundred thirty-eight thousand, seventy-nine".

Divisors: 1 3 9 71 213 639 111227 333681 774643 1001043 2323929 6971787 7897117 23691351 54999653 71074053 164998959 494996877 86161216961 258483650883 775450952649 6117446404231 18352339212693 55057017638079