Search a number
-
+
55118684 = 22109167757
BaseRepresentation
bin1101001001000…
…0101101011100
310211201022121202
43102100231130
5103102244214
65245215032
71236333605
oct322205534
9124638552
1055118684
1129127535
1216561478
13b55b20a
14746adac
154c8b6de
hex3490b5c

55118684 has 24 divisors (see below), whose sum is σ = 98054880. Its totient is φ = 27107136.

The previous prime is 55118683. The next prime is 55118711. The reversal of 55118684 is 48681155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55118681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72434 + ... + 73190.

It is an arithmetic number, because the mean of its divisors is an integer number (4085620).

Almost surely, 255118684 is an apocalyptic number.

It is an amenable number.

55118684 is a deficient number, since it is larger than the sum of its proper divisors (42936196).

55118684 is a wasteful number, since it uses less digits than its factorization.

55118684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037 (or 1035 counting only the distinct ones).

The product of its digits is 38400, while the sum is 38.

The square root of 55118684 is about 7424.1958487098. The cubic root of 55118684 is about 380.5685947695.

The spelling of 55118684 in words is "fifty-five million, one hundred eighteen thousand, six hundred eighty-four".

Divisors: 1 2 4 109 167 218 334 436 668 757 1514 3028 18203 36406 72812 82513 126419 165026 252838 330052 505676 13779671 27559342 55118684