Search a number
-
+
55383641 is a prime number
BaseRepresentation
bin1101001101000…
…1011001011001
310212012210001222
43103101121121
5103134234031
65255021425
71241516225
oct323213131
9125183058
1055383641
1129298605
121666a875
13b6219b1
1474d9785
154cdee7b
hex34d1659

55383641 has 2 divisors, whose sum is σ = 55383642. Its totient is φ = 55383640.

The previous prime is 55383631. The next prime is 55383667. The reversal of 55383641 is 14638355.

55383641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55190041 + 193600 = 7429^2 + 440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55383641 is a prime.

It is not a weakly prime, because it can be changed into another prime (55383631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27691820 + 27691821.

It is an arithmetic number, because the mean of its divisors is an integer number (27691821).

Almost surely, 255383641 is an apocalyptic number.

It is an amenable number.

55383641 is a deficient number, since it is larger than the sum of its proper divisors (1).

55383641 is an equidigital number, since it uses as much as digits as its factorization.

55383641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 55383641 is about 7442.0186105653. The cubic root of 55383641 is about 381.1774214255.

The spelling of 55383641 in words is "fifty-five million, three hundred eighty-three thousand, six hundred forty-one".