5555000001 has 4 divisors (see below), whose sum is σ = 7406666672. Its totient is φ = 3703333332.

The previous prime is 5554999987. The next prime is 5555000029. The reversal of 5555000001 is 1000005555.

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.

It is not a de Polignac number, because 5555000001 - 2⁶ = 5554999937 is a prime.

It is a super-2 number, since 2×5555000001² = 61716050022220000002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5555000041) 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, 925833331 + ... + 925833336.

It is an arithmetic number, because the mean of its divisors is an integer number (1851666668).

Almost surely, 2^5555000001 is an apocalyptic number.

It is an amenable number.

5555000001 is a deficient number, since it is larger than the sum of its proper divisors (1851666671).

5555000001 is a wasteful number, since it uses less digits than its factorization.

5555000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851666670.

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 5555000001 is about 74531.8723835649. The cubic root of 5555000001 is about 1771.0385768555.

Adding to 5555000001 its reverse (1000005555), we get a palindrome (6555005556).

The spelling of 5555000001 in words is "five billion, five hundred fifty-five million, one", and thus it is an aban number.