Search a number
-
+
55005550505 = 524841442861
BaseRepresentation
bin110011001110100101…
…100001011110101001
312020222102122111001022
4303032211201132221
51400122410104010
641134051502225
73655042315313
oct631645413651
9166872574038
1055005550505
1121367221254
12a7b12b7975
135257ac2b29
14293b4387b3
15166e045d55
hexcce9617a9

55005550505 has 8 divisors (see below), whose sum is σ = 66009466824. Its totient is φ = 44002569600.

The previous prime is 55005550493. The next prime is 55005550547. The reversal of 55005550505 is 50505550055.

It can be written as a sum of positive squares in 4 ways, for example, as 37810201 + 54967740304 = 6149^2 + 234452^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55005550505 - 214 = 55005534121 is a prime.

It is a super-2 number, since 2×550055505052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97226 + ... + 345635.

It is an arithmetic number, because the mean of its divisors is an integer number (8251183353).

Almost surely, 255005550505 is an apocalyptic number.

It is an amenable number.

55005550505 is a deficient number, since it is larger than the sum of its proper divisors (11003916319).

55005550505 is a wasteful number, since it uses less digits than its factorization.

55005550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467707.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55005550505 in words is "fifty-five billion, five million, five hundred fifty thousand, five hundred five".

Divisors: 1 5 24841 124205 442861 2214305 11001110101 55005550505