Search a number
-
+
54221743 is a prime number
BaseRepresentation
bin1100111011010…
…1101110101111
310210000202020201
43032311232233
5102340043433
65214054331
71225606612
oct316655657
9123022221
1054221743
1128674664
12161aa3a7
13b305b94
1472b6179
154b60a7d
hex33b5baf

54221743 has 2 divisors, whose sum is σ = 54221744. Its totient is φ = 54221742.

The previous prime is 54221707. The next prime is 54221771. The reversal of 54221743 is 34712245.

It is an a-pointer prime, because the next prime (54221771) can be obtained adding 54221743 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54221743 - 217 = 54090671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54222743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27110871 + 27110872.

It is an arithmetic number, because the mean of its divisors is an integer number (27110872).

Almost surely, 254221743 is an apocalyptic number.

54221743 is a deficient number, since it is larger than the sum of its proper divisors (1).

54221743 is an equidigital number, since it uses as much as digits as its factorization.

54221743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 28.

The square root of 54221743 is about 7363.5414713302. The cubic root of 54221743 is about 378.4929763283.

Adding to 54221743 its reverse (34712245), we get a palindrome (88933988).

The spelling of 54221743 in words is "fifty-four million, two hundred twenty-one thousand, seven hundred forty-three".