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54442241 = 77777463
BaseRepresentation
bin1100111110101…
…1100100000001
310210102221201022
43033223210001
5102414122431
65222515225
71230515510
oct317534401
9123387638
1054442241
1128805297
1216295b15
13b382359
147332677
154ba607b
hex33eb901

54442241 has 4 divisors (see below), whose sum is σ = 62219712. Its totient is φ = 46664772.

The previous prime is 54442189. The next prime is 54442247. The reversal of 54442241 is 14224445.

54442241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-54442241 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 54442241.

It is not an unprimeable number, because it can be changed into a prime (54442247) 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 3 ways as a sum of consecutive naturals, for example, 3888725 + ... + 3888738.

It is an arithmetic number, because the mean of its divisors is an integer number (15554928).

Almost surely, 254442241 is an apocalyptic number.

It is an amenable number.

54442241 is a deficient number, since it is larger than the sum of its proper divisors (7777471).

54442241 is an equidigital number, since it uses as much as digits as its factorization.

54442241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777470.

The product of its digits is 5120, while the sum is 26.

The square root of 54442241 is about 7378.4985600053. The cubic root of 54442241 is about 379.0053419464.

Adding to 54442241 its reverse (14224445), we get a palindrome (68666686).

The spelling of 54442241 in words is "fifty-four million, four hundred forty-two thousand, two hundred forty-one".

Divisors: 1 7 7777463 54442241