Search a number
-
+
55105006 = 2113497177
BaseRepresentation
bin1101001000110…
…1010111101110
310211200121212011
43102031113232
5103101330011
65245031434
71236245665
oct322152756
9124617764
1055105006
1129118230
121655557a
13b554c18
147465ddc
154c87621
hex348d5ee

55105006 has 16 divisors (see below), whose sum is σ = 90442800. Its totient is φ = 24972480.

The previous prime is 55105003. The next prime is 55105027. The reversal of 55105006 is 60050155.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55105003) 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, 4090 + ... + 11266.

It is an arithmetic number, because the mean of its divisors is an integer number (5652675).

Almost surely, 255105006 is an apocalyptic number.

55105006 is a deficient number, since it is larger than the sum of its proper divisors (35337794).

55105006 is a wasteful number, since it uses less digits than its factorization.

55105006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 55105006 is about 7423.2746143464. The cubic root of 55105006 is about 380.5371121124.

The spelling of 55105006 in words is "fifty-five million, one hundred five thousand, six".

Divisors: 1 2 11 22 349 698 3839 7177 7678 14354 78947 157894 2504773 5009546 27552503 55105006