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BaseRepresentation
bin1001010100000111…
…00101011001110001
3110220111102021000121
410222003211121301
540220120100001
62144111050241
7234626654656
oct45203453161
913814367017
105000550001
112136753257
12b76810981
13618cc2035
143561a5c2d
151e40146a1
hex12a0e5671

5000550001 has 4 divisors (see below), whose sum is σ = 5020007652. Its totient is φ = 4981092352.

The previous prime is 5000549999. The next prime is 5000550019. The reversal of 5000550001 is 1000550005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4064190001 + 936360000 = 63751^2 + 30600^2 .

It is a cyclic number.

It is not a de Polignac number, because 5000550001 - 21 = 5000549999 is a prime.

It is a super-2 number, since 2×50005500012 = 50011000625002200002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5000550031) 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, 9728440 + ... + 9728953.

It is an arithmetic number, because the mean of its divisors is an integer number (1255001913).

Almost surely, 25000550001 is an apocalyptic number.

It is an amenable number.

5000550001 is a deficient number, since it is larger than the sum of its proper divisors (19457651).

5000550001 is a wasteful number, since it uses less digits than its factorization.

5000550001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19457650.

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 5000550001 is about 70714.5671060779. The cubic root of 5000550001 is about 1710.0386436099.

The spelling of 5000550001 in words is "five billion, five hundred fifty thousand, one".

Divisors: 1 257 19457393 5000550001