Search a number
-
+
55543441 = 199193181
BaseRepresentation
bin1101001111100…
…0011010010001
310212111220021111
43103320122101
5103204342231
65302253321
71243053142
oct323703221
9125456244
1055543441
1129397678
1216727241
13b679655
14753bac9
154d224b1
hex34f8691

55543441 has 8 divisors (see below), whose sum is σ = 58548800. Its totient is φ = 52546320.

The previous prime is 55543343. The next prime is 55543451. The reversal of 55543441 is 14434555.

It is a happy number.

55543441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55543441 - 215 = 55510673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55543451) 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 7 ways as a sum of consecutive naturals, for example, 15871 + ... + 19051.

It is an arithmetic number, because the mean of its divisors is an integer number (7318600).

Almost surely, 255543441 is an apocalyptic number.

It is an amenable number.

55543441 is a deficient number, since it is larger than the sum of its proper divisors (3005359).

55543441 is a wasteful number, since it uses less digits than its factorization.

55543441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119.

The product of its digits is 24000, while the sum is 31.

The square root of 55543441 is about 7452.7472115992. The cubic root of 55543441 is about 381.5436767596.

Adding to 55543441 its reverse (14434555), we get a palindrome (69977996).

The spelling of 55543441 in words is "fifty-five million, five hundred forty-three thousand, four hundred forty-one".

Divisors: 1 19 919 3181 17461 60439 2923339 55543441