555009994 has 16 divisors (see below), whose sum is σ = 1037941056. Its totient is φ = 216237600.

The previous prime is 555009979. The next prime is 555010031. The reversal of 555009994 is 499900555.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1801827 + ... + 1802134.

It is an arithmetic number, because the mean of its divisors is an integer number (64871316).

Almost surely, 2^555009994 is an apocalyptic number.

555009994 is a deficient number, since it is larger than the sum of its proper divisors (482931062).

555009994 is a wasteful number, since it uses less digits than its factorization.

555009994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603981.

The product of its (nonzero) digits is 364500, while the sum is 46.

The square root of 555009994 is about 23558.6500886617. The cubic root of 555009994 is about 821.8015092118.

The spelling of 555009994 in words is "five hundred fifty-five million, nine thousand, nine hundred ninety-four".