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55485205 = 511097041
BaseRepresentation
bin1101001110101…
…0001100010101
310212101221101121
43103222030111
5103201011310
65301123541
71242421306
oct323521425
9125357347
1055485205
1129357946
12166b95b1
13b658ca9
1475247ad
154d100da
hex34ea315

55485205 has 4 divisors (see below), whose sum is σ = 66582252. Its totient is φ = 44388160.

The previous prime is 55485203. The next prime is 55485211. The reversal of 55485205 is 50258455.

55485205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38229489 + 17255716 = 6183^2 + 4154^2 .

It is not a de Polignac number, because 55485205 - 21 = 55485203 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 (55485203) 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 3 ways as a sum of consecutive naturals, for example, 5548516 + ... + 5548525.

It is an arithmetic number, because the mean of its divisors is an integer number (16645563).

Almost surely, 255485205 is an apocalyptic number.

It is an amenable number.

55485205 is a deficient number, since it is larger than the sum of its proper divisors (11097047).

55485205 is a wasteful number, since it uses less digits than its factorization.

55485205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11097046.

The product of its (nonzero) digits is 40000, while the sum is 34.

The square root of 55485205 is about 7448.8391713072. The cubic root of 55485205 is about 381.4102835857.

The spelling of 55485205 in words is "fifty-five million, four hundred eighty-five thousand, two hundred five".

Divisors: 1 5 11097041 55485205