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55526057 is a prime number
BaseRepresentation
bin1101001111010…
…0001010101001
310212111000102122
43103310022221
5103203313212
65302041025
71242651356
oct323641251
9125430378
1055526057
1129385604
1216719175
13b671772
14753562d
154d1c272
hex34f42a9

55526057 has 2 divisors, whose sum is σ = 55526058. Its totient is φ = 55526056.

The previous prime is 55526041. The next prime is 55526059. The reversal of 55526057 is 75062555.

55526057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47596201 + 7929856 = 6899^2 + 2816^2 .

It is a cyclic number.

It is not a de Polignac number, because 55526057 - 24 = 55526041 is a prime.

Together with 55526059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55526059) 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 as a sum of consecutive naturals, namely, 27763028 + 27763029.

It is an arithmetic number, because the mean of its divisors is an integer number (27763029).

Almost surely, 255526057 is an apocalyptic number.

It is an amenable number.

55526057 is a deficient number, since it is larger than the sum of its proper divisors (1).

55526057 is an equidigital number, since it uses as much as digits as its factorization.

55526057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 55526057 is about 7451.5808389898. The cubic root of 55526057 is about 381.5038673945.

The spelling of 55526057 in words is "fifty-five million, five hundred twenty-six thousand, fifty-seven".