556249345 has 16 divisors (see below), whose sum is σ = 685080000. Its totient is φ = 433418688.

The previous prime is 556249321. The next prime is 556249361. The reversal of 556249345 is 543942655.

It is a cyclic number.

It is not a de Polignac number, because 556249345 - 2⁷ = 556249217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23506 + ... + 40804.

It is an arithmetic number, because the mean of its divisors is an integer number (42817500).

Almost surely, 2^556249345 is an apocalyptic number.

It is an amenable number.

556249345 is a deficient number, since it is larger than the sum of its proper divisors (128830655).

556249345 is a wasteful number, since it uses less digits than its factorization.

556249345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17472.

The product of its digits is 648000, while the sum is 43.

The square root of 556249345 is about 23584.9389441652. The cubic root of 556249345 is about 822.4127554717.

The spelling of 556249345 in words is "five hundred fifty-six million, two hundred forty-nine thousand, three hundred forty-five".