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255553055 = 570172911
BaseRepresentation
bin11110011101101…
…10111000011111
3122210212102212222
433032312320133
51010410144210
641205215555
76222110432
oct1716667037
9583772788
10255553055
1112128687a
12717015bb
1340c38134
1425d23819
151767e655
hexf3b6e1f

255553055 has 8 divisors (see below), whose sum is σ = 307105344. Its totient is φ = 204148000.

The previous prime is 255553049. The next prime is 255553063. The reversal of 255553055 is 550355552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255553055 - 212 = 255548959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32951 + ... + 39960.

It is an arithmetic number, because the mean of its divisors is an integer number (38388168).

Almost surely, 2255553055 is an apocalyptic number.

255553055 is a deficient number, since it is larger than the sum of its proper divisors (51552289).

255553055 is an equidigital number, since it uses as much as digits as its factorization.

255553055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73617.

The product of its (nonzero) digits is 93750, while the sum is 35.

The square root of 255553055 is about 15986.0268672363. The cubic root of 255553055 is about 634.5906841970.

The spelling of 255553055 in words is "two hundred fifty-five million, five hundred fifty-three thousand, fifty-five".

Divisors: 1 5 701 3505 72911 364555 51110611 255553055