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55075548634541 = 1723316944448779
BaseRepresentation
bin11001000010111010001101…
…00000110001110110101101
321020000011121200100200002122
430201131012200301312231
524204324210422301131
6313045205135202325
714413035303114101
oct1441350640616655
9236004550320078
1055075548634541
11166044554299a6
1262160159763a5
1324967a9643296
14d8595687d901
15657994b6bd7b
hex321746831dad

55075548634541 has 16 divisors (see below), whose sum is σ = 60869937283200. Its totient is φ = 49566432503808.

The previous prime is 55075548634531. The next prime is 55075548634573. The reversal of 55075548634541 is 14543684557055.

It is not a de Polignac number, because 55075548634541 - 234 = 55058368765357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55075548634531) 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, 20985311 + ... + 23463468.

It is an arithmetic number, because the mean of its divisors is an integer number (3804371080200).

Almost surely, 255075548634541 is an apocalyptic number.

It is an amenable number.

55075548634541 is a deficient number, since it is larger than the sum of its proper divisors (5794388648659).

55075548634541 is a wasteful number, since it uses less digits than its factorization.

55075548634541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44451988.

The product of its (nonzero) digits is 201600000, while the sum is 62.

The spelling of 55075548634541 in words is "fifty-five trillion, seventy-five billion, five hundred forty-eight million, six hundred thirty-four thousand, five hundred forty-one".

Divisors: 1 17 23 391 3169 53873 72887 1239079 44448779 755629243 1022321917 17379472589 140858180651 2394589071067 3239738154973 55075548634541