Search a number
-
+
5505550001 = 7786507143
BaseRepresentation
bin1010010000010100…
…00000011010110001
3112012200122220210022
411020022000122301
542233410100001
62310151013225
7253301255120
oct51012003261
915180586708
105505550001
112375815226
12109796a215
13699807bc3
143a329dab7
1522351911b
hex1482806b1

5505550001 has 4 divisors (see below), whose sum is σ = 6292057152. Its totient is φ = 4719042852.

The previous prime is 5505549983. The next prime is 5505550009. The reversal of 5505550001 is 1000555055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1000555055 = 5200111011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5505550001 is a prime.

It is a super-2 number, since 2×55055500012 = 60622161627022200002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5505550009) 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, 393253565 + ... + 393253578.

It is an arithmetic number, because the mean of its divisors is an integer number (1573014288).

Almost surely, 25505550001 is an apocalyptic number.

It is an amenable number.

5505550001 is a deficient number, since it is larger than the sum of its proper divisors (786507151).

5505550001 is an equidigital number, since it uses as much as digits as its factorization.

5505550001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786507150.

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 5505550001 is about 74199.3935352574. The cubic root of 5505550001 is about 1765.7677085710.

The spelling of 5505550001 in words is "five billion, five hundred five million, five hundred fifty thousand, one".

Divisors: 1 7 786507143 5505550001