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55165127 is a prime number
BaseRepresentation
bin1101001001110…
…0000011000111
310211210200022212
43102130003013
5103110241002
65250214035
71236616163
oct322340307
9124720285
1055165127
1129159416
121658431b
13b5763b4
14747dca3
154c9a352
hex349c0c7

55165127 has 2 divisors, whose sum is σ = 55165128. Its totient is φ = 55165126.

The previous prime is 55165091. The next prime is 55165133. The reversal of 55165127 is 72156155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55165127 - 210 = 55164103 is a prime.

It is a super-2 number, since 2×551651272 = 6086382473852258, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55165093 and 55165102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55165427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27582563 + 27582564.

It is an arithmetic number, because the mean of its divisors is an integer number (27582564).

Almost surely, 255165127 is an apocalyptic number.

55165127 is a deficient number, since it is larger than the sum of its proper divisors (1).

55165127 is an equidigital number, since it uses as much as digits as its factorization.

55165127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10500, while the sum is 32.

The square root of 55165127 is about 7427.3230036131. The cubic root of 55165127 is about 380.6754537874.

The spelling of 55165127 in words is "fifty-five million, one hundred sixty-five thousand, one hundred twenty-seven".