Search a number
-
+
55954943 = 1119267727
BaseRepresentation
bin1101010101110…
…0110111111111
310220021210202022
43111130313333
5103311024233
65315150355
71246415642
oct325346777
9126253668
1055954943
1129648860
12168a53bb
13b791a45
147607a59
154da4398
hex355cdff

55954943 has 8 divisors (see below), whose sum is σ = 64254720. Its totient is φ = 48190680.

The previous prime is 55954931. The next prime is 55954963. The reversal of 55954943 is 34945955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55954943 - 214 = 55938559 is a prime.

It is a super-2 number, since 2×559549432 = 6261911292266498, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 55954894 and 55954903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55954963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133655 + ... + 134072.

It is an arithmetic number, because the mean of its divisors is an integer number (8031840).

Almost surely, 255954943 is an apocalyptic number.

55954943 is a deficient number, since it is larger than the sum of its proper divisors (8299777).

55954943 is a wasteful number, since it uses less digits than its factorization.

55954943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267757.

The product of its digits is 486000, while the sum is 44.

The square root of 55954943 is about 7480.3036703064. The cubic root of 55954943 is about 382.4836007607.

The spelling of 55954943 in words is "fifty-five million, nine hundred fifty-four thousand, nine hundred forty-three".

Divisors: 1 11 19 209 267727 2944997 5086813 55954943