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55685033058655 = 572111316361315907
BaseRepresentation
bin11001010100101001011101…
…00111010110000101011111
321022011102210200211101120001
430222110232213112011133
524244320421430334110
6314233203453435131
714505053013205300
oct1452245647260537
9238142720741501
1055685033058655
1116819987501730
1262b4170a9baa7
13250c0cb211360
14da72545d87a7
156687674a463a
hex32a52e9d615f

55685033058655 has 192 divisors, whose sum is σ = 92037155793408. Its totient is φ = 31792006794240.

The previous prime is 55685033058653. The next prime is 55685033058667.

It is a happy number.

55685033058655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55685033058655 - 21 = 55685033058653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55685033058653) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3500654212 + ... + 3500670118.

It is an arithmetic number, because the mean of its divisors is an integer number (479360186424).

Almost surely, 255685033058655 is an apocalyptic number.

55685033058655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55685033058655 is a deficient number, since it is larger than the sum of its proper divisors (36352122734753).

55685033058655 is a wasteful number, since it uses less digits than its factorization.

55685033058655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16726 (or 16719 counting only the distinct ones).

The product of its (nonzero) digits is 324000000, while the sum is 64.

The spelling of 55685033058655 in words is "fifty-five trillion, six hundred eighty-five billion, thirty-three million, fifty-eight thousand, six hundred fifty-five".