556251065 has 8 divisors (see below), whose sum is σ = 668029248. Its totient is φ = 444648880.

The previous prime is 556251061. The next prime is 556251083. The reversal of 556251065 is 560152655.

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

It is not a de Polignac number, because 556251065 - 2² = 556251061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556251061) 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, 36941 + ... + 49770.

It is an arithmetic number, because the mean of its divisors is an integer number (83503656).

Almost surely, 2^556251065 is an apocalyptic number.

It is an amenable number.

556251065 is a deficient number, since it is larger than the sum of its proper divisors (111778183).

556251065 is a wasteful number, since it uses less digits than its factorization.

556251065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87999.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 556251065 is about 23584.9754080855. The cubic root of 556251065 is about 822.4136031422.

The spelling of 556251065 in words is "five hundred fifty-six million, two hundred fifty-one thousand, sixty-five".