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55060569 = 3217221169
BaseRepresentation
bin1101001000001…
…0100001011001
310211121100220100
43102002201121
5103043414234
65244050013
71236002304
oct322024131
9124540810
1055060569
1129097903
1216533909
13b53a925
147453b3b
154c79399
hex3482859

55060569 has 18 divisors (see below), whose sum is σ = 84489470. Its totient is φ = 34546176.

The previous prime is 55060567. The next prime is 55060573. The reversal of 55060569 is 96506055.

It can be written as a sum of positive squares in 3 ways, for example, as 38900169 + 16160400 = 6237^2 + 4020^2 .

It is not a de Polignac number, because 55060569 - 21 = 55060567 is a prime.

It is a super-2 number, since 2×550605692 = 6063332517207522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55060561) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7984 + ... + 13185.

Almost surely, 255060569 is an apocalyptic number.

It is an amenable number.

55060569 is a deficient number, since it is larger than the sum of its proper divisors (29428901).

55060569 is a wasteful number, since it uses less digits than its factorization.

55060569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21209 (or 21189 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The square root of 55060569 is about 7420.2809246012. The cubic root of 55060569 is about 380.4347954850.

The spelling of 55060569 in words is "fifty-five million, sixty thousand, five hundred sixty-nine".

Divisors: 1 3 9 17 51 153 289 867 2601 21169 63507 190521 359873 1079619 3238857 6117841 18353523 55060569