556049 has 4 divisors (see below), whose sum is σ = 598836. Its totient is φ = 513264.

The previous prime is 556043. The next prime is 556051. The reversal of 556049 is 940655.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66049 + 490000 = 257^2 + 700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556049 is a prime.

It is a Duffinian number.

It is a zygodrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 556049.

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 3 ways as a sum of consecutive naturals, for example, 21374 + ... + 21399.

It is an arithmetic number, because the mean of its divisors is an integer number (149709).

2⁵⁵⁶⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

556049 is a deficient number, since it is larger than the sum of its proper divisors (42787).

556049 is a wasteful number, since it uses less digits than its factorization.

556049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42786.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 556049 is about 745.6869316275. The cubic root of 556049 is about 82.2314007149.

The spelling of 556049 in words is "five hundred fifty-six thousand, forty-nine".