Search a number
-
+
55284448277 is a prime number
BaseRepresentation
bin110011011111001101…
…011011110000010101
312021200212102221212102
4303133031123300111
51401210304321102
641221453331445
73665000025332
oct633715336025
9167625387772
1055284448277
112149a6a2283
12a86a796b85
1352a08128b6
1429664b7989
151688787402
hexcdf35bc15

55284448277 has 2 divisors, whose sum is σ = 55284448278. Its totient is φ = 55284448276.

The previous prime is 55284448213. The next prime is 55284448313. The reversal of 55284448277 is 77284448255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55135266481 + 149181796 = 234809^2 + 12214^2 .

It is a cyclic number.

It is not a de Polignac number, because 55284448277 - 26 = 55284448213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55284442277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27642224138 + 27642224139.

It is an arithmetic number, because the mean of its divisors is an integer number (27642224139).

Almost surely, 255284448277 is an apocalyptic number.

It is an amenable number.

55284448277 is a deficient number, since it is larger than the sum of its proper divisors (1).

55284448277 is an equidigital number, since it uses as much as digits as its factorization.

55284448277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20070400, while the sum is 56.

The spelling of 55284448277 in words is "fifty-five billion, two hundred eighty-four million, four hundred forty-eight thousand, two hundred seventy-seven".