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55883081 is a prime number
BaseRepresentation
bin1101010100101…
…1010101001001
310220011011011202
43111023111021
5103301224311
65313433545
71245666302
oct325132511
9126134152
1055883081
11295a9871
121686b8b5
13b768117
1475c97a9
154d8ce3b
hex354b549

55883081 has 2 divisors, whose sum is σ = 55883082. Its totient is φ = 55883080.

The previous prime is 55883071. The next prime is 55883117. The reversal of 55883081 is 18038855.

55883081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54169600 + 1713481 = 7360^2 + 1309^2 .

It is a cyclic number.

It is not a de Polignac number, because 55883081 - 214 = 55866697 is a prime.

It is a super-2 number, since 2×558830812 = 6245837484105122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (55883071) 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, 27941540 + 27941541.

It is an arithmetic number, because the mean of its divisors is an integer number (27941541).

Almost surely, 255883081 is an apocalyptic number.

It is an amenable number.

55883081 is a deficient number, since it is larger than the sum of its proper divisors (1).

55883081 is an equidigital number, since it uses as much as digits as its factorization.

55883081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 55883081 is about 7475.4987124606. The cubic root of 55883081 is about 382.3197915119.

The spelling of 55883081 in words is "fifty-five million, eight hundred eighty-three thousand, eighty-one".