Search a number
-
+
50563505 = 510112701
BaseRepresentation
bin1100000011100…
…0100110110001
310112010220002102
43000320212301
5100421013010
65003430145
71152532316
oct300704661
9115126072
1050563505
11265a6123
1214b25355
13a624a45
146a02d0d
15468bba5
hex30389b1

50563505 has 4 divisors (see below), whose sum is σ = 60676212. Its totient is φ = 40450800.

The previous prime is 50563489. The next prime is 50563519. The reversal of 50563505 is 50536505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50536505 = 510107301.

It can be written as a sum of positive squares in 2 ways, for example, as 22165264 + 28398241 = 4708^2 + 5329^2 .

It is not a de Polignac number, because 50563505 - 24 = 50563489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 5056346 + ... + 5056355.

It is an arithmetic number, because the mean of its divisors is an integer number (15169053).

Almost surely, 250563505 is an apocalyptic number.

It is an amenable number.

50563505 is a deficient number, since it is larger than the sum of its proper divisors (10112707).

50563505 is a wasteful number, since it uses less digits than its factorization.

50563505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10112706.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 50563505 is about 7110.8019941495. The cubic root of 50563505 is about 369.7819630895.

Subtracting from 50563505 its reverse (50536505), we obtain a cube (27000 = 303).

The spelling of 50563505 in words is "fifty million, five hundred sixty-three thousand, five hundred five".

Divisors: 1 5 10112701 50563505