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55235441 = 82966629
BaseRepresentation
bin1101001010110…
…1001101110001
310211221020210002
43102231031301
5103120013231
65251515345
71240331162
oct322551561
9124836702
1055235441
11291a7228
12165b8b55
13b59c3c1
14749b769
154cb10cb
hex34ad371

55235441 has 4 divisors (see below), whose sum is σ = 55302900. Its totient is φ = 55167984.

The previous prime is 55235429. The next prime is 55235449. The reversal of 55235441 is 14453255.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22287841 + 32947600 = 4721^2 + 5740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55235441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55235449) 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, 32486 + ... + 34143.

It is an arithmetic number, because the mean of its divisors is an integer number (13825725).

Almost surely, 255235441 is an apocalyptic number.

It is an amenable number.

55235441 is a deficient number, since it is larger than the sum of its proper divisors (67459).

55235441 is an equidigital number, since it uses as much as digits as its factorization.

55235441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67458.

The product of its digits is 12000, while the sum is 29.

The square root of 55235441 is about 7432.0549648129. The cubic root of 55235441 is about 380.8371226469.

Adding to 55235441 its reverse (14453255), we get a palindrome (69688696).

The spelling of 55235441 in words is "fifty-five million, two hundred thirty-five thousand, four hundred forty-one".

Divisors: 1 829 66629 55235441