Search a number
-
+
55083517 is a prime number
BaseRepresentation
bin1101001000100…
…0000111111101
310211122112101021
43102020013331
5103100133032
65244344141
71236126226
oct322100775
9124575337
1055083517
1129103075
1216545051
13b5481c8
14745c24d
154c81097
hex34881fd

55083517 has 2 divisors, whose sum is σ = 55083518. Its totient is φ = 55083516.

The previous prime is 55083467. The next prime is 55083529. The reversal of 55083517 is 71538055.

55083517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49857721 + 5225796 = 7061^2 + 2286^2 .

It is a cyclic number.

It is not a de Polignac number, because 55083517 - 219 = 54559229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55083547) 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, 27541758 + 27541759.

It is an arithmetic number, because the mean of its divisors is an integer number (27541759).

Almost surely, 255083517 is an apocalyptic number.

It is an amenable number.

55083517 is a deficient number, since it is larger than the sum of its proper divisors (1).

55083517 is an equidigital number, since it uses as much as digits as its factorization.

55083517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 55083517 is about 7421.8270661610. The cubic root of 55083517 is about 380.4876403506.

It can be divided in two parts, 5508 and 3517, that added together give a square (9025 = 952).

The spelling of 55083517 in words is "fifty-five million, eighty-three thousand, five hundred seventeen".