1000550043 has 8 divisors (see below), whose sum is σ = 1482296400. Its totient is φ = 667033344.

The previous prime is 1000550039. The next prime is 1000550093. The reversal of 1000550043 is 3400550001.

It is not a de Polignac number, because 1000550043 - 2² = 1000550039 is a prime.

It is a super-2 number, since 2×1000550043² = 2002200777094603698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000549998 and 1000550025.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18528678 + ... + 18528731.

It is an arithmetic number, because the mean of its divisors is an integer number (185287050).

Almost surely, 2^1000550043 is an apocalyptic number.

1000550043 is a deficient number, since it is larger than the sum of its proper divisors (481746357).

1000550043 is an equidigital number, since it uses as much as digits as its factorization.

1000550043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37057418 (or 37057412 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1000550043 is about 31631.4723495445. The cubic root of 1000550043 is about 1000.1833140606.

The spelling of 1000550043 in words is "one billion, five hundred fifty thousand, forty-three".