556450 has 24 divisors (see below), whose sum is σ = 1071360. Its totient is φ = 214800.

The previous prime is 556441. The next prime is 556459. The reversal of 556450 is 54655.

556450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (556441) and next prime (556459).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (556459) by changing a digit.

556450 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1371 + ... + 1729.

It is an arithmetic number, because the mean of its divisors is an integer number (44640).

2⁵⁵⁶⁴⁵⁰ is an apocalyptic number.

556450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

556450 is a deficient number, since it is larger than the sum of its proper divisors (514910).

556450 is a wasteful number, since it uses less digits than its factorization.

556450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 397 counting only the distinct ones).

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

The square root of 556450 is about 745.9557627634. The cubic root of 556450 is about 82.2511632827.

The spelling of 556450 in words is "five hundred fifty-six thousand, four hundred fifty".