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53895109 is a prime number
BaseRepresentation
bin1100110110010…
…1111111000101
310202102011012011
43031211333011
5102244120414
65203054221
71223046412
oct315457705
9122364164
1053895109
1128471214
1216071371
13b2202c8
14722d109
154ae8dc4
hex3365fc5

53895109 has 2 divisors, whose sum is σ = 53895110. Its totient is φ = 53895108.

The previous prime is 53895091. The next prime is 53895113. The reversal of 53895109 is 90159835.

Together with previous prime (53895091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42185025 + 11710084 = 6495^2 + 3422^2 .

It is a cyclic number.

It is not a de Polignac number, because 53895109 - 29 = 53894597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53895119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26947554 + 26947555.

It is an arithmetic number, because the mean of its divisors is an integer number (26947555).

Almost surely, 253895109 is an apocalyptic number.

It is an amenable number.

53895109 is a deficient number, since it is larger than the sum of its proper divisors (1).

53895109 is an equidigital number, since it uses as much as digits as its factorization.

53895109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 53895109 is about 7341.3288306682. The cubic root of 53895109 is about 377.7314260092.

The spelling of 53895109 in words is "fifty-three million, eight hundred ninety-five thousand, one hundred nine".