Search a number
-
+
55201337 = 64218597
BaseRepresentation
bin1101001010010…
…0111000111001
310211212111222222
43102210320321
5103112420322
65251053425
71240126562
oct322447071
9124774888
1055201337
1129183644
12165a1275
13b589a19
14748d169
154ca5e42
hex34a4e39

55201337 has 4 divisors (see below), whose sum is σ = 55216356. Its totient is φ = 55186320.

The previous prime is 55201331. The next prime is 55201339. The reversal of 55201337 is 73310255.

55201337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 27206656 + 27994681 = 5216^2 + 5291^2 .

It is a cyclic number.

It is not a de Polignac number, because 55201337 - 224 = 38424121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55201331) 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 in 3 ways as a sum of consecutive naturals, for example, 2123 + ... + 10719.

It is an arithmetic number, because the mean of its divisors is an integer number (13804089).

Almost surely, 255201337 is an apocalyptic number.

It is an amenable number.

55201337 is a deficient number, since it is larger than the sum of its proper divisors (15019).

55201337 is an equidigital number, since it uses as much as digits as its factorization.

55201337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15018.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 55201337 is about 7429.7602249332. The cubic root of 55201337 is about 380.7587264639.

The spelling of 55201337 in words is "fifty-five million, two hundred one thousand, three hundred thirty-seven".

Divisors: 1 6421 8597 55201337