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55885325 = 528925117
BaseRepresentation
bin1101010100101…
…1111000001101
310220011021020212
43111023320031
5103301312300
65313452205
71246005656
oct325137015
9126137225
1055885325
1129600521
1216871065
13b769152
1475ca52d
154d8d935
hex354be0d

55885325 has 12 divisors (see below), whose sum is σ = 70079220. Its totient is φ = 44204160.

The previous prime is 55885321. The next prime is 55885339. The reversal of 55885325 is 52358855.

It can be written as a sum of positive squares in 6 ways, for example, as 3771364 + 52113961 = 1942^2 + 7219^2 .

It is not a de Polignac number, because 55885325 - 22 = 55885321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55885321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10334 + ... + 14783.

It is an arithmetic number, because the mean of its divisors is an integer number (5839935).

Almost surely, 255885325 is an apocalyptic number.

It is an amenable number.

55885325 is a deficient number, since it is larger than the sum of its proper divisors (14193895).

55885325 is a wasteful number, since it uses less digits than its factorization.

55885325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25216 (or 25211 counting only the distinct ones).

The product of its digits is 240000, while the sum is 41.

The square root of 55885325 is about 7475.6488012747. The cubic root of 55885325 is about 382.3249088278.

The spelling of 55885325 in words is "fifty-five million, eight hundred eighty-five thousand, three hundred twenty-five".

Divisors: 1 5 25 89 445 2225 25117 125585 627925 2235413 11177065 55885325