556465 has 16 divisors (see below), whose sum is σ = 822528. Its totient is φ = 351936.

The previous prime is 556459. The next prime is 556477. The reversal of 556465 is 564655.

556465 = T₉₇ + T₉₈ + ... + T₁₆₁.

It is not a de Polignac number, because 556465 - 2⁹ = 555953 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, 157 + ... + 1066.

It is an arithmetic number, because the mean of its divisors is an integer number (51408).

2⁵⁵⁶⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

556465 is a deficient number, since it is larger than the sum of its proper divisors (266063).

556465 is a wasteful number, since it uses less digits than its factorization.

556465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248.

The product of its digits is 18000, while the sum is 31.

The square root of 556465 is about 745.9658169112. The cubic root of 556465 is about 82.2519023467.

The spelling of 556465 in words is "five hundred fifty-six thousand, four hundred sixty-five".