Search a number
-
+
55041193 is a prime number
BaseRepresentation
bin1101000111110…
…1110010101001
310211120101022201
43101331302221
5103042304233
65243420201
71235561644
oct321756251
9124511281
1055041193
1129084299
1216524661
13b531b6c
14744aa5b
154c7377d
hex347dca9

55041193 has 2 divisors, whose sum is σ = 55041194. Its totient is φ = 55041192.

The previous prime is 55041191. The next prime is 55041221. The reversal of 55041193 is 39114055.

It is an a-pointer prime, because the next prime (55041221) can be obtained adding 55041193 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51308569 + 3732624 = 7163^2 + 1932^2 .

It is a cyclic number.

It is not a de Polignac number, because 55041193 - 21 = 55041191 is a prime.

Together with 55041191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55041191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27520596 + 27520597.

It is an arithmetic number, because the mean of its divisors is an integer number (27520597).

Almost surely, 255041193 is an apocalyptic number.

It is an amenable number.

55041193 is a deficient number, since it is larger than the sum of its proper divisors (1).

55041193 is an equidigital number, since it uses as much as digits as its factorization.

55041193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 55041193 is about 7418.9751987724. The cubic root of 55041193 is about 380.3901648200.

The spelling of 55041193 in words is "fifty-five million, forty-one thousand, one hundred ninety-three".