Search a number
-
+
53552203 = 192818537
BaseRepresentation
bin1100110001001…
…0010001001011
310201202201210221
43030102101023
5102202132303
65151450511
71220120605
oct314222113
9121681727
1053552203
1128257621
1215b26a37
13b1301c3
147180175
154a7c4bd
hex331244b

53552203 has 4 divisors (see below), whose sum is σ = 56370760. Its totient is φ = 50733648.

The previous prime is 53552197. The next prime is 53552231. The reversal of 53552203 is 30225535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30225535 = 56045107.

It is not a de Polignac number, because 53552203 - 25 = 53552171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53552263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409250 + ... + 1409287.

It is an arithmetic number, because the mean of its divisors is an integer number (14092690).

Almost surely, 253552203 is an apocalyptic number.

53552203 is a deficient number, since it is larger than the sum of its proper divisors (2818557).

53552203 is a wasteful number, since it uses less digits than its factorization.

53552203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818556.

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

The square root of 53552203 is about 7317.9370727002. The cubic root of 53552203 is about 376.9286193944.

Adding to 53552203 its reverse (30225535), we get a palindrome (83777738).

The spelling of 53552203 in words is "fifty-three million, five hundred fifty-two thousand, two hundred three".

Divisors: 1 19 2818537 53552203