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55253203 = 283195241
BaseRepresentation
bin1101001011000…
…1100011010011
310211222011010221
43102301203103
5103121100303
65252133511
71240434025
oct322614323
9124864127
1055253203
1129209605
1216607297
13b5a7505
1474a4015
154cb64bd
hex34b18d3

55253203 has 4 divisors (see below), whose sum is σ = 55448728. Its totient is φ = 55057680.

The previous prime is 55253147. The next prime is 55253221. The reversal of 55253203 is 30235255.

55253203 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.

It is a cyclic number.

It is not a de Polignac number, because 55253203 - 225 = 21698771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55253243) 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, 97338 + ... + 97903.

It is an arithmetic number, because the mean of its divisors is an integer number (13862182).

Almost surely, 255253203 is an apocalyptic number.

55253203 is a deficient number, since it is larger than the sum of its proper divisors (195525).

55253203 is a wasteful number, since it uses less digits than its factorization.

55253203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195524.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 55253203 is about 7433.2498276326. The cubic root of 55253203 is about 380.8779400635.

Adding to 55253203 its reverse (30235255), we get a palindrome (85488458).

The spelling of 55253203 in words is "fifty-five million, two hundred fifty-three thousand, two hundred three".

Divisors: 1 283 195241 55253203