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55050223 = 66198317
BaseRepresentation
bin1101000111111…
…1111111101111
310211120211201011
43101333333233
5103043101343
65243530051
71235630164
oct321777757
9124524634
1055050223
1129090058
1216529927
13b535cc7
14745006b
154c7629d
hex347ffef

55050223 has 4 divisors (see below), whose sum is σ = 55065160. Its totient is φ = 55035288.

The previous prime is 55050217. The next prime is 55050253. The reversal of 55050223 is 32205055.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 55050223 - 29 = 55049711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55050194 and 55050203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55050253) 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, 2461 + ... + 10777.

It is an arithmetic number, because the mean of its divisors is an integer number (13766290).

Almost surely, 255050223 is an apocalyptic number.

55050223 is a deficient number, since it is larger than the sum of its proper divisors (14937).

55050223 is an equidigital number, since it uses as much as digits as its factorization.

55050223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14936.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 55050223 is about 7419.5837484323. The cubic root of 55050223 is about 380.4109658187.

Adding to 55050223 its reverse (32205055), we get a palindrome (87255278).

The spelling of 55050223 in words is "fifty-five million, fifty thousand, two hundred twenty-three".

Divisors: 1 6619 8317 55050223