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55162741 is a prime number
BaseRepresentation
bin1101001001101…
…1011101110101
310211210120001111
43102123131311
5103110201431
65250155021
71236606214
oct322333565
9124716044
1055162741
1129157647
1216582a71
13b57529a
14747d07b
154c997b1
hex349b775

55162741 has 2 divisors, whose sum is σ = 55162742. Its totient is φ = 55162740.

The previous prime is 55162711. The next prime is 55162759. The reversal of 55162741 is 14726155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53963716 + 1199025 = 7346^2 + 1095^2 .

It is a cyclic number.

It is not a de Polignac number, because 55162741 - 215 = 55129973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55162711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27581370 + 27581371.

It is an arithmetic number, because the mean of its divisors is an integer number (27581371).

Almost surely, 255162741 is an apocalyptic number.

It is an amenable number.

55162741 is a deficient number, since it is larger than the sum of its proper divisors (1).

55162741 is an equidigital number, since it uses as much as digits as its factorization.

55162741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 31.

The square root of 55162741 is about 7427.1623787285. The cubic root of 55162741 is about 380.6699653882.

Adding to 55162741 its reverse (14726155), we get a palindrome (69888896).

The spelling of 55162741 in words is "fifty-five million, one hundred sixty-two thousand, seven hundred forty-one".