Search a number
-
+
53553988223 = 168899317077
BaseRepresentation
bin110001111000000100…
…010000001001111111
312010020021021110221022
4301320010100021333
51334134310110343
640334035454355
73604055250311
oct617004201177
9163207243838
1053553988223
1120791914aaa
12a4671573bb
13508615cb38
1428407437b1
1515d68b8568
hexc7811027f

53553988223 has 4 divisors (see below), whose sum is σ = 53554474200. Its totient is φ = 53553502248.

The previous prime is 53553988129. The next prime is 53553988247. The reversal of 53553988223 is 32288935535.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 32288935535 = 56457787107.

It is a cyclic number.

It is not a de Polignac number, because 53553988223 - 214 = 53553971839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53555988223) 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, 10361 + ... + 327437.

It is an arithmetic number, because the mean of its divisors is an integer number (13388618550).

Almost surely, 253553988223 is an apocalyptic number.

53553988223 is a deficient number, since it is larger than the sum of its proper divisors (485977).

53553988223 is a wasteful number, since it uses less digits than its factorization.

53553988223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485976.

The product of its digits is 7776000, while the sum is 53.

The spelling of 53553988223 in words is "fifty-three billion, five hundred fifty-three million, nine hundred eighty-eight thousand, two hundred twenty-three".

Divisors: 1 168899 317077 53553988223