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55255507 = 834871367
BaseRepresentation
bin1101001011001…
…0000111010011
310211222021022021
43102302013103
5103121134012
65252152311
71240443526
oct322620723
9124867267
1055255507
112921030a
1216608697
13b5a8588
1474a4bbd
154cb7007
hex34b21d3

55255507 has 8 divisors (see below), whose sum is σ = 56077056. Its totient is φ = 54437832.

The previous prime is 55255489. The next prime is 55255517. The reversal of 55255507 is 70555255.

55255507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55255507 - 211 = 55253459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55255517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39738 + ... + 41104.

It is an arithmetic number, because the mean of its divisors is an integer number (7009632).

Almost surely, 255255507 is an apocalyptic number.

55255507 is a deficient number, since it is larger than the sum of its proper divisors (821549).

55255507 is a wasteful number, since it uses less digits than its factorization.

55255507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937.

The product of its (nonzero) digits is 43750, while the sum is 34.

The square root of 55255507 is about 7433.4048053365. The cubic root of 55255507 is about 380.8832340587.

The spelling of 55255507 in words is "fifty-five million, two hundred fifty-five thousand, five hundred seven".

Divisors: 1 83 487 1367 40421 113461 665729 55255507