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54886109 is a prime number
BaseRepresentation
bin1101000101011…
…1111011011101
310211021111120212
43101113323131
5103022323414
65240222205
71234344545
oct321277335
9124244525
1054886109
1128a88823
121646a965
13b4a93b5
14740a325
154c4283e
hex3457edd

54886109 has 2 divisors, whose sum is σ = 54886110. Its totient is φ = 54886108.

The previous prime is 54886093. The next prime is 54886123. The reversal of 54886109 is 90168845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52606009 + 2280100 = 7253^2 + 1510^2 .

It is a cyclic number.

It is not a de Polignac number, because 54886109 - 24 = 54886093 is a prime.

It is a super-2 number, since 2×548861092 = 6024969922319762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54886159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27443054 + 27443055.

It is an arithmetic number, because the mean of its divisors is an integer number (27443055).

Almost surely, 254886109 is an apocalyptic number.

It is an amenable number.

54886109 is a deficient number, since it is larger than the sum of its proper divisors (1).

54886109 is an equidigital number, since it uses as much as digits as its factorization.

54886109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 54886109 is about 7408.5159782510. The cubic root of 54886109 is about 380.0325664610.

The spelling of 54886109 in words is "fifty-four million, eight hundred eighty-six thousand, one hundred nine".