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55201325 = 522208053
BaseRepresentation
bin1101001010010…
…0111000101101
310211212111222112
43102210320231
5103112420300
65251053405
71240126544
oct322447055
9124774875
1055201325
1129183633
12165a1265
13b589a0a
14748d15b
154ca5e35
hex34a4e2d

55201325 has 6 divisors (see below), whose sum is σ = 68449674. Its totient is φ = 44161040.

The previous prime is 55201309. The next prime is 55201331. The reversal of 55201325 is 52310255.

55201325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 8934121 + 46267204 = 2989^2 + 6802^2 .

It is not a de Polignac number, because 55201325 - 24 = 55201309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55201325.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1104002 + ... + 1104051.

It is an arithmetic number, because the mean of its divisors is an integer number (11408279).

Almost surely, 255201325 is an apocalyptic number.

It is an amenable number.

55201325 is a deficient number, since it is larger than the sum of its proper divisors (13248349).

55201325 is a wasteful number, since it uses less digits than its factorization.

55201325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208063 (or 2208058 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 55201325 is about 7429.7594173701. The cubic root of 55201325 is about 380.7586988734.

The spelling of 55201325 in words is "fifty-five million, two hundred one thousand, three hundred twenty-five".

Divisors: 1 5 25 2208053 11040265 55201325