556253742 has 32 divisors (see below), whose sum is σ = 1239473664. Its totient is φ = 164974400.

The previous prime is 556253729. The next prime is 556253743. The reversal of 556253742 is 247352655.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 556253742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556253743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86559 + ... + 92762.

It is an arithmetic number, because the mean of its divisors is an integer number (38733552).

Almost surely, 2^556253742 is an apocalyptic number.

556253742 is an abundant number, since it is smaller than the sum of its proper divisors (683219922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556253742 is a wasteful number, since it uses less digits than its factorization.

556253742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179384.

The product of its digits is 252000, while the sum is 39.

The square root of 556253742 is about 23585.0321602494. The cubic root of 556253742 is about 822.4149224492.

The spelling of 556253742 in words is "five hundred fifty-six million, two hundred fifty-three thousand, seven hundred forty-two".