556454530 has 32 divisors (see below), whose sum is σ = 1012838400. Its totient is φ = 220102272.

The previous prime is 556454527. The next prime is 556454531. The reversal of 556454530 is 35454655.

It is a self number, because there is not a number n which added to its sum of digits gives 556454530.

It is not an unprimeable number, because it can be changed into a prime (556454531) 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, 434431 + ... + 435709.

It is an arithmetic number, because the mean of its divisors is an integer number (31651200).

Almost surely, 2^556454530 is an apocalyptic number.

556454530 is a deficient number, since it is larger than the sum of its proper divisors (456383870).

556454530 is a wasteful number, since it uses less digits than its factorization.

556454530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738.

The product of its (nonzero) digits is 180000, while the sum is 37.

The square root of 556454530 is about 23589.2884589595. The cubic root of 556454530 is about 822.5138648143.

The spelling of 556454530 in words is "five hundred fifty-six million, four hundred fifty-four thousand, five hundred thirty".