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54989755798945 = 511173791033150221
BaseRepresentation
bin11001000000011010011001…
…10111000101010110100001
321012200222011122000001120011
430200031030313011112201
524201423004441031240
6312541540045044521
714403610261051012
oct1440151467052641
9235628148001504
1054989755798945
111658102a628790
126201471b56741
13248b6863379c6
14d81738621009
15655622d376ea
hex32034cdc55a1

54989755798945 has 64 divisors (see below), whose sum is σ = 76496695799040. Its totient is φ = 37504141516800.

The previous prime is 54989755798937. The next prime is 54989755798981.

54989755798945 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54989755798945 - 23 = 54989755798937 is a prime.

It is a super-2 number, since 2×549897557989452 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 365983935 + ... + 366134155.

It is an arithmetic number, because the mean of its divisors is an integer number (1195260871860).

Almost surely, 254989755798945 is an apocalyptic number.

54989755798945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54989755798945 is a deficient number, since it is larger than the sum of its proper divisors (21506940000095).

54989755798945 is a wasteful number, since it uses less digits than its factorization.

54989755798945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151666.

The product of its digits is 205752960000, while the sum is 94.

The spelling of 54989755798945 in words is "fifty-four trillion, nine hundred eighty-nine billion, seven hundred fifty-five million, seven hundred ninety-eight thousand, nine hundred forty-five".

Divisors: 1 5 11 17 55 85 187 379 935 1033 1895 4169 5165 6443 11363 17561 20845 32215 56815 70873 87805 150221 193171 354365 391507 751105 965855 1652431 1957535 2553757 4306577 6655619 8262155 12768785 21532885 28091327 33278095 56933759 73211809 140456635 155178293 284668795 366059045 626271349 775891465 967873903 1706961223 2638030981 3131356745 4839369515 8534806115 10646612933 13190154905 29018340791 53233064665 58812573047 145091703955 294062865235 646938303517 999813741799 3234691517585 4999068708995 10997951159789 54989755798945