Search a number
-
+
55805793 = 3198291181
BaseRepresentation
bin1101010011100…
…0011101100001
310220000020011020
43110320131201
5103241241133
65312040053
71245225051
oct324703541
9126006136
1055805793
112955679a
1216833029
13b73bba4
1475a9561
154d750b3
hex3538761

55805793 has 16 divisors (see below), whose sum is σ = 78484800. Its totient is φ = 35173440.

The previous prime is 55805777. The next prime is 55805801. The reversal of 55805793 is 39750855.

55805793 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 55805793 - 24 = 55805777 is a prime.

It is a super-2 number, since 2×558057932 = 6228573064717698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55805723) by changing a digit.

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, 46663 + ... + 47843.

It is an arithmetic number, because the mean of its divisors is an integer number (4905300).

Almost surely, 255805793 is an apocalyptic number.

It is an amenable number.

55805793 is a deficient number, since it is larger than the sum of its proper divisors (22679007).

55805793 is a wasteful number, since it uses less digits than its factorization.

55805793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 55805793 is about 7470.3275028609. The cubic root of 55805793 is about 382.1434568965.

The spelling of 55805793 in words is "fifty-five million, eight hundred five thousand, seven hundred ninety-three".

Divisors: 1 3 19 57 829 1181 2487 3543 15751 22439 47253 67317 979049 2937147 18601931 55805793