Search a number
-
+
55111010 = 2523923059
BaseRepresentation
bin1101001000111…
…0110101100010
310211200221002112
43102032311202
5103102023020
65245115322
71236302333
oct322166542
9124627075
1055111010
1129121799
1216558b42
13b557886
14746828a
154c892c5
hex348ed62

55111010 has 16 divisors (see below), whose sum is σ = 99619200. Its totient is φ = 21951216.

The previous prime is 55111009. The next prime is 55111027. The reversal of 55111010 is 1011155.

55111010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 9140 + ... + 13919.

It is an arithmetic number, because the mean of its divisors is an integer number (6226200).

Almost surely, 255111010 is an apocalyptic number.

55111010 is a deficient number, since it is larger than the sum of its proper divisors (44508190).

55111010 is a wasteful number, since it uses less digits than its factorization.

55111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23305.

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 55111010 is about 7423.6790070692. The cubic root of 55111010 is about 380.5509321626.

Adding to 55111010 its reverse (1011155), we get a palindrome (56122165).

The spelling of 55111010 in words is "fifty-five million, one hundred eleven thousand, ten".

Divisors: 1 2 5 10 239 478 1195 2390 23059 46118 115295 230590 5511101 11022202 27555505 55111010