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55427523 = 347393103
BaseRepresentation
bin1101001101110…
…0000111000011
310212022000021020
43103130013003
5103142140043
65300000523
71242061164
oct323340703
9125260236
1055427523
1129318578
1216690143
13b638968
14750b76b
154cece83
hex34dc1c3

55427523 has 8 divisors (see below), whose sum is σ = 75475968. Its totient is φ = 36165384.

The previous prime is 55427521. The next prime is 55427527. The reversal of 55427523 is 32572455.

55427523 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 not a de Polignac number, because 55427523 - 21 = 55427521 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (55427521) 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, 196411 + ... + 196692.

It is an arithmetic number, because the mean of its divisors is an integer number (9434496).

Almost surely, 255427523 is an apocalyptic number.

55427523 is a deficient number, since it is larger than the sum of its proper divisors (20048445).

55427523 is a wasteful number, since it uses less digits than its factorization.

55427523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393153.

The product of its digits is 42000, while the sum is 33.

The square root of 55427523 is about 7444.9662860217. The cubic root of 55427523 is about 381.2780673415.

Adding to 55427523 its reverse (32572455), we get a palindrome (87999978).

The spelling of 55427523 in words is "fifty-five million, four hundred twenty-seven thousand, five hundred twenty-three".

Divisors: 1 3 47 141 393103 1179309 18475841 55427523