550009995 has 16 divisors (see below), whose sum is σ = 903801120. Its totient is φ = 285410304.

The previous prime is 550009981. The next prime is 550009997. The reversal of 550009995 is 599900055.

It is not a de Polignac number, because 550009995 - 2⁴ = 550009979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550009997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494950 + ... + 496059.

It is an arithmetic number, because the mean of its divisors is an integer number (56487570).

Almost surely, 2^550009995 is an apocalyptic number.

550009995 is a deficient number, since it is larger than the sum of its proper divisors (353791125).

550009995 is a wasteful number, since it uses less digits than its factorization.

550009995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991054.

The product of its (nonzero) digits is 91125, while the sum is 42.

The square root of 550009995 is about 23452.2918922650. The cubic root of 550009995 is about 819.3262336712.

The spelling of 550009995 in words is "five hundred fifty million, nine thousand, nine hundred ninety-five".