556542146 has 16 divisors (see below), whose sum is σ = 841285440. Its totient is φ = 276120720.

The previous prime is 556542121. The next prime is 556542149. The reversal of 556542146 is 641245655.

It is not an unprimeable number, because it can be changed into a prime (556542149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198011 + ... + 200801.

It is an arithmetic number, because the mean of its divisors is an integer number (52580340).

Almost surely, 2^556542146 is an apocalyptic number.

556542146 is a deficient number, since it is larger than the sum of its proper divisors (284743294).

556542146 is a wasteful number, since it uses less digits than its factorization.

556542146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529.

The product of its digits is 144000, while the sum is 38.

The square root of 556542146 is about 23591.1454999540. The cubic root of 556542146 is about 822.5570319190.

The spelling of 556542146 in words is "five hundred fifty-six million, five hundred forty-two thousand, one hundred forty-six".