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55255079 = 1111344453
BaseRepresentation
bin1101001011001…
…0000000100111
310211222020201102
43102302000213
5103121130304
65252150315
71240442345
oct322620047
9124866642
1055255079
112920aa60
121660839b
13b5a8319
1474a4995
154cb6d1e
hex34b2027

55255079 has 8 divisors (see below), whose sum is σ = 60813072. Its totient is φ = 49786240.

The previous prime is 55255073. The next prime is 55255091. The reversal of 55255079 is 97055255.

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

It is a cyclic number.

It is not a de Polignac number, because 55255079 - 216 = 55189543 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 (55255073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20984 + ... + 23469.

It is an arithmetic number, because the mean of its divisors is an integer number (7601634).

Almost surely, 255255079 is an apocalyptic number.

55255079 is a deficient number, since it is larger than the sum of its proper divisors (5557993).

55255079 is a wasteful number, since it uses less digits than its factorization.

55255079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44577.

The product of its (nonzero) digits is 78750, while the sum is 38.

The square root of 55255079 is about 7433.3760163199. The cubic root of 55255079 is about 380.8822506367.

The spelling of 55255079 in words is "fifty-five million, two hundred fifty-five thousand, seventy-nine".

Divisors: 1 11 113 1243 44453 488983 5023189 55255079