556105994 has 8 divisors (see below), whose sum is σ = 834375168. Its totient is φ = 277980940.

The previous prime is 556105987. The next prime is 556105999. The reversal of 556105994 is 499501655.

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

It is not an unprimeable number, because it can be changed into a prime (556105999) 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, 25802 + ... + 42165.

It is an arithmetic number, because the mean of its divisors is an integer number (104296896).

Almost surely, 2^556105994 is an apocalyptic number.

556105994 is a deficient number, since it is larger than the sum of its proper divisors (278269174).

556105994 is a wasteful number, since it uses less digits than its factorization.

556105994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72060.

The product of its (nonzero) digits is 243000, while the sum is 44.

The square root of 556105994 is about 23581.8997114312. The cubic root of 556105994 is about 822.3421014141.

The spelling of 556105994 in words is "five hundred fifty-six million, one hundred five thousand, nine hundred ninety-four".