556354 has 4 divisors (see below), whose sum is σ = 834534. Its totient is φ = 278176.

The previous prime is 556351. The next prime is 556373. The reversal of 556354 is 453655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 453655 = 5 ⋅90731.

It can be written as a sum of positive squares in only one way, i.e., 540225 + 16129 = 735^2 + 127^2 .

It is not an unprimeable number, because it can be changed into a prime (556351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139087 + ... + 139090.

2⁵⁵⁶³⁵⁴ is an apocalyptic number.

556354 is a deficient number, since it is larger than the sum of its proper divisors (278180).

556354 is a wasteful number, since it uses less digits than its factorization.

556354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278179.

The product of its digits is 9000, while the sum is 28.

The square root of 556354 is about 745.8914130086. The cubic root of 556354 is about 82.2464329591.

The spelling of 556354 in words is "five hundred fifty-six thousand, three hundred fifty-four".