1000550001 has 8 divisors (see below), whose sum is σ = 1455345504. Its totient is φ = 606393920.

The previous prime is 1000549997. The next prime is 1000550003.

1000550001 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 1000550001 - 2² = 1000549997 is a prime.

It is a super-2 number, since 2×1000550001² = 2002200609002200002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000550003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15159816 + ... + 15159881.

It is an arithmetic number, because the mean of its divisors is an integer number (181918188).

Almost surely, 2^1000550001 is an apocalyptic number.

1000550001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000550001 is a deficient number, since it is larger than the sum of its proper divisors (454795503).

1000550001 is a wasteful number, since it uses less digits than its factorization.

1000550001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30319711.

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 1000550001 is about 31631.4716856488. The cubic root of 1000550001 is about 1000.1833000657.

It can be divided in two parts, 10005 and 50001, that added together give a palindrome (60006).

The spelling of 1000550001 in words is "one billion, five hundred fifty thousand, one".