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55457516705425 = 5217534409558413
BaseRepresentation
bin11001001110000001101011…
…00101010101011010010001
321021100200112200200010112221
430213000311211111122101
524232103443234033200
6313540455332421041
714452446651131152
oct1447006545253221
9237320480603487
1055457516705425
111674144545103a
126278056177781
1324c3810251c83
14d9a22dca3929
1566289d4a191a
hex327035955691

55457516705425 has 48 divisors (see below), whose sum is σ = 74203236157680. Its totient is φ = 40959028797440.

The previous prime is 55457516705369. The next prime is 55457516705491. The reversal of 55457516705425 is 52450761575455.

It can be written as a sum of positive squares in 24 ways, for example, as 31635630197136 + 23821886508289 = 5624556^2 + 4880767^2 .

It is not a de Polignac number, because 55457516705425 - 223 = 55457508316817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99033519 + ... + 99591931.

It is an arithmetic number, because the mean of its divisors is an integer number (1545900753285).

Almost surely, 255457516705425 is an apocalyptic number.

It is an amenable number.

55457516705425 is a deficient number, since it is larger than the sum of its proper divisors (18745719452255).

55457516705425 is a wasteful number, since it uses less digits than its factorization.

55457516705425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562902 (or 562897 counting only the distinct ones).

The product of its (nonzero) digits is 147000000, while the sum is 61.

The spelling of 55457516705425 in words is "fifty-five trillion, four hundred fifty-seven billion, five hundred sixteen million, seven hundred five thousand, four hundred twenty-five".

Divisors: 1 5 17 25 53 85 265 425 901 1325 4409 4505 22045 22525 74953 110225 233677 374765 558413 1168385 1873825 2792065 3972509 5841925 9493021 13960325 19862545 29595889 47465105 99312725 147979445 237325525 503130113 739897225 2462042917 2515650565 12310214585 12578252825 41854729589 61551072925 130488274601 209273647945 652441373005 1046368239725 2218300668217 3262206865025 11091503341085 55457516705425