556073646 has 32 divisors (see below), whose sum is σ = 1182773760. Its totient is φ = 173788416.

The previous prime is 556073641. The next prime is 556073681. The reversal of 556073646 is 646370655.

It is a junction number, because it is equal to n+sod(n) for n = 556073598 and 556073607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556073641) 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, 14086 + ... + 36201.

It is an arithmetic number, because the mean of its divisors is an integer number (36961680).

Almost surely, 2^556073646 is an apocalyptic number.

556073646 is an abundant number, since it is smaller than the sum of its proper divisors (626700114).

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

556073646 is a wasteful number, since it uses less digits than its factorization.

556073646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50408.

The product of its (nonzero) digits is 453600, while the sum is 42.

The square root of 556073646 is about 23581.2138364419. The cubic root of 556073646 is about 822.3261562296.

The spelling of 556073646 in words is "five hundred fifty-six million, seventy-three thousand, six hundred forty-six".