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55057961604240 = 243657134866651
BaseRepresentation
bin11001000010011001011100…
…01111100101010010010000
321012221111020000020222000000
430201030232033211102100
524204032201132313430
6313033140044130000
714411543420612220
oct1441145617452220
9235844200228000
1055057961604240
11165a7a4aa70811
126212727b36900
132494c35b4578a
14d84b68c32080
156572b5b89e60
hex32132e3e5490

55057961604240 has 280 divisors, whose sum is σ = 219344964946368. Its totient is φ = 12584676844800.

The previous prime is 55057961604211. The next prime is 55057961604343. The reversal of 55057961604240 is 4240616975055.

55057961604240 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 7 + 9 + 6 + 1 + 604 + 24 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (280).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 67025086 + ... + 67841565.

Almost surely, 255057961604240 is an apocalyptic number.

It is an amenable number.

55057961604240 is an abundant number, since it is smaller than the sum of its proper divisors (164287003342128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55057961604240 is a wasteful number, since it uses less digits than its factorization.

55057961604240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134866689 (or 134866668 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 55057961604240 in words is "fifty-five trillion, fifty-seven billion, nine hundred sixty-one million, six hundred four thousand, two hundred forty".