Search a number
-
+
55214655 = 358274451
BaseRepresentation
bin1101001010100…
…0001000111111
310211220012021020
43102220020333
5103113332110
65251235223
71240213446
oct322501077
9124805236
1055214655
1129192651
12165a8b13
13b592ac2
147493d5d
154ca9d70
hex34a823f

55214655 has 16 divisors (see below), whose sum is σ = 88470144. Its totient is φ = 29405600.

The previous prime is 55214639. The next prime is 55214669. The reversal of 55214655 is 55641255.

55214655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55214655 - 24 = 55214639 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10180 + ... + 14630.

It is an arithmetic number, because the mean of its divisors is an integer number (5529384).

Almost surely, 255214655 is an apocalyptic number.

55214655 is a deficient number, since it is larger than the sum of its proper divisors (33255489).

55214655 is a wasteful number, since it uses less digits than its factorization.

55214655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286.

The product of its digits is 30000, while the sum is 33.

The square root of 55214655 is about 7430.6564312987. The cubic root of 55214655 is about 380.7893449069.

The spelling of 55214655 in words is "fifty-five million, two hundred fourteen thousand, six hundred fifty-five".

Divisors: 1 3 5 15 827 2481 4135 4451 12405 13353 22255 66765 3680977 11042931 18404885 55214655