556045 has 8 divisors (see below), whose sum is σ = 762624. Its totient is φ = 381264.

The previous prime is 556043. The next prime is 556051. The reversal of 556045 is 540655.

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

It is a cyclic number.

It is not a de Polignac number, because 556045 - 2¹ = 556043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7909 + ... + 7978.

It is an arithmetic number, because the mean of its divisors is an integer number (95328).

2⁵⁵⁶⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

556045 is a deficient number, since it is larger than the sum of its proper divisors (206579).

556045 is a wasteful number, since it uses less digits than its factorization.

556045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15899.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 556045 is about 745.6842495319. The cubic root of 556045 is about 82.2312035342.

The spelling of 556045 in words is "five hundred fifty-six thousand, forty-five".