Search a number
-
+
55654551437 is a prime number
BaseRepresentation
bin110011110101010001…
…010000111110001101
312022122122212010221212
4303311101100332031
51402440031121222
641322314104205
74010112611312
oct636521207615
9168578763855
1055654551437
112166a5a8261
12a95271b065
13532c3b7154
14299d6d8d09
1516aaee26e2
hexcf5450f8d

55654551437 has 2 divisors, whose sum is σ = 55654551438. Its totient is φ = 55654551436.

The previous prime is 55654551413. The next prime is 55654551443. The reversal of 55654551437 is 73415545655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55481918116 + 172633321 = 235546^2 + 13139^2 .

It is a cyclic number.

It is not a de Polignac number, because 55654551437 - 224 = 55637774221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55654551457) 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, 27827275718 + 27827275719.

It is an arithmetic number, because the mean of its divisors is an integer number (27827275719).

Almost surely, 255654551437 is an apocalyptic number.

It is an amenable number.

55654551437 is a deficient number, since it is larger than the sum of its proper divisors (1).

55654551437 is an equidigital number, since it uses as much as digits as its factorization.

55654551437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300000, while the sum is 50.

The spelling of 55654551437 in words is "fifty-five billion, six hundred fifty-four million, five hundred fifty-one thousand, four hundred thirty-seven".