Search a number
-
+
55634043 = 318544681
BaseRepresentation
bin1101010000111…
…0100001111011
310212200111120010
43110032201323
5103220242133
65304233003
71243611243
oct324164173
9125614503
1055634043
1129449753
121676b763
13b6ab96a
147562b23
154d3e263
hex350e87b

55634043 has 4 divisors (see below), whose sum is σ = 74178728. Its totient is φ = 37089360.

The previous prime is 55634039. The next prime is 55634083. The reversal of 55634043 is 34043655.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55634043 - 22 = 55634039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55634043.

It is not an unprimeable number, because it can be changed into a prime (55634003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9272338 + ... + 9272343.

It is an arithmetic number, because the mean of its divisors is an integer number (18544682).

Almost surely, 255634043 is an apocalyptic number.

55634043 is a deficient number, since it is larger than the sum of its proper divisors (18544685).

55634043 is a wasteful number, since it uses less digits than its factorization.

55634043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18544684.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 55634043 is about 7458.8231645481. The cubic root of 55634043 is about 381.7510210207.

Adding to 55634043 its reverse (34043655), we get a palindrome (89677698).

The spelling of 55634043 in words is "fifty-five million, six hundred thirty-four thousand, forty-three".

Divisors: 1 3 18544681 55634043