Search a number
-
+
55912286 = 2178319813
BaseRepresentation
bin1101010101001…
…0011101011110
310220012122020102
43111102131132
5103303143121
65314221102
71246150403
oct325223536
9126178212
1055912286
1129619801
1216884792
13b7784c1
1475d62aa
154d9690b
hex355275e

55912286 has 16 divisors (see below), whose sum is σ = 89876304. Its totient is φ = 25993344.

The previous prime is 55912273. The next prime is 55912301. The reversal of 55912286 is 68221955.

It is a super-3 number, since 3×559122863 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7085 + ... + 12728.

It is an arithmetic number, because the mean of its divisors is an integer number (5617269).

Almost surely, 255912286 is an apocalyptic number.

55912286 is a deficient number, since it is larger than the sum of its proper divisors (33964018).

55912286 is a wasteful number, since it uses less digits than its factorization.

55912286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19915.

The product of its digits is 43200, while the sum is 38.

The square root of 55912286 is about 7477.4518386948. The cubic root of 55912286 is about 382.3863811653.

The spelling of 55912286 in words is "fifty-five million, nine hundred twelve thousand, two hundred eighty-six".

Divisors: 1 2 17 34 83 166 1411 2822 19813 39626 336821 673642 1644479 3288958 27956143 55912286