Search a number
-
+
55530941 is a prime number
BaseRepresentation
bin1101001111010…
…1010110111101
310212111021010112
43103311112331
5103203442231
65302115405
71243001534
oct323652675
9125437115
1055530941
1129389244
121671bb65
13b673a5b
14753731b
154d1d92b
hex34f55bd

55530941 has 2 divisors, whose sum is σ = 55530942. Its totient is φ = 55530940.

The previous prime is 55530919. The next prime is 55530971. The reversal of 55530941 is 14903555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55204900 + 326041 = 7430^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 55530941 - 218 = 55268797 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55530898 and 55530907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55530971) 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, 27765470 + 27765471.

It is an arithmetic number, because the mean of its divisors is an integer number (27765471).

Almost surely, 255530941 is an apocalyptic number.

It is an amenable number.

55530941 is a deficient number, since it is larger than the sum of its proper divisors (1).

55530941 is an equidigital number, since it uses as much as digits as its factorization.

55530941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 55530941 is about 7451.9085474796. The cubic root of 55530941 is about 381.5150525951.

The spelling of 55530941 in words is "fifty-five million, five hundred thirty thousand, nine hundred forty-one".