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55050388871867 = 19101130322016131
BaseRepresentation
bin11001000010001011010101…
…10111111001101010111011
321012220202200020211022002122
430201011222313321222323
524203421144022344432
6313025444410151455
714411154645502244
oct1441055267715273
9235822606738078
1055050388871867
11165a48143a2904
126211173a2258b
1324942c9ca034c
14d8464b1c9ccb
15656ec0e3c612
hex32116adf9abb

55050388871867 has 16 divisors (see below), whose sum is σ = 58566433701120. Its totient is φ = 51597002268000.

The previous prime is 55050388871809. The next prime is 55050388871903. The reversal of 55050388871867 is 76817888305055.

It is a cyclic number.

It is not a de Polignac number, because 55050388871867 - 210 = 55050388870843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55050388871867.

It is not an unprimeable number, because it can be changed into a prime (55050388811867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8507609 + ... + 13508522.

It is an arithmetic number, because the mean of its divisors is an integer number (3660402106320).

Almost surely, 255050388871867 is an apocalyptic number.

55050388871867 is a deficient number, since it is larger than the sum of its proper divisors (3516044829253).

55050388871867 is a wasteful number, since it uses less digits than its factorization.

55050388871867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22017554.

The product of its (nonzero) digits is 451584000, while the sum is 71.

The spelling of 55050388871867 in words is "fifty-five trillion, fifty billion, three hundred eighty-eight million, eight hundred seventy-one thousand, eight hundred sixty-seven".

Divisors: 1 19 101 1303 1919 24757 131603 2500457 22016131 418306489 2223629231 28687018693 42248955389 545053355167 2897388887993 55050388871867