556000247 has 8 divisors (see below), whose sum is σ = 616826880. Its totient is φ = 496887160.

The previous prime is 556000243. The next prime is 556000261. The reversal of 556000247 is 742000655.

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

It is not a de Polignac number, because 556000247 - 2² = 556000243 is a prime.

It is a super-2 number, since 2×556000247² = 618272549328122018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556000243) 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, 427703 + ... + 429000.

It is an arithmetic number, because the mean of its divisors is an integer number (77103360).

Almost surely, 2^556000247 is an apocalyptic number.

556000247 is a deficient number, since it is larger than the sum of its proper divisors (60826633).

556000247 is a wasteful number, since it uses less digits than its factorization.

556000247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856773.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 556000247 is about 23579.6574826693. The cubic root of 556000247 is about 822.2899736281.

The spelling of 556000247 in words is "five hundred fifty-six million, two hundred forty-seven", and thus it is an aban number.