556149 has 16 divisors (see below), whose sum is σ = 852480. Its totient is φ = 318960.

The previous prime is 556123. The next prime is 556159. The reversal of 556149 is 941655.

556149 = 162² + 163² + ... + 180².

It is not a de Polignac number, because 556149 - 2⁷ = 556021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556159) by changing a digit.

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, 184 + ... + 1070.

It is an arithmetic number, because the mean of its divisors is an integer number (53280).

2⁵⁵⁶¹⁴⁹ is an apocalyptic number.

It is an amenable number.

556149 is a deficient number, since it is larger than the sum of its proper divisors (296331).

556149 is a wasteful number, since it uses less digits than its factorization.

556149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920.

The product of its digits is 5400, while the sum is 30.

The square root of 556149 is about 745.7539808811. The cubic root of 556149 is about 82.2363299251.

The spelling of 556149 in words is "five hundred fifty-six thousand, one hundred forty-nine".