Search a number
-
+
55254338497 is a prime number
BaseRepresentation
bin110011011101011010…
…100100101111000001
312021121202210020000101
4303131122210233001
51401130102312442
641214500122401
73664153061611
oct633532445701
9167552706011
1055254338497
11214846a7366
12a860696401
1352974cc967
1429624baa41
151685cdacb7
hexcdd6a4bc1

55254338497 has 2 divisors, whose sum is σ = 55254338498. Its totient is φ = 55254338496.

The previous prime is 55254338483. The next prime is 55254338507. The reversal of 55254338497 is 79483345255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55232520256 + 21818241 = 235016^2 + 4671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55254338497 is a prime.

It is not a weakly prime, because it can be changed into another prime (55254338467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27627169248 + 27627169249.

It is an arithmetic number, because the mean of its divisors is an integer number (27627169249).

Almost surely, 255254338497 is an apocalyptic number.

It is an amenable number.

55254338497 is a deficient number, since it is larger than the sum of its proper divisors (1).

55254338497 is an equidigital number, since it uses as much as digits as its factorization.

55254338497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144000, while the sum is 55.

The spelling of 55254338497 in words is "fifty-five billion, two hundred fifty-four million, three hundred thirty-eight thousand, four hundred ninety-seven".