556790620 has 12 divisors (see below), whose sum is σ = 1169260344. Its totient is φ = 222716240.

The previous prime is 556790567. The next prime is 556790627. The reversal of 556790620 is 26097655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556790627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13919746 + ... + 13919785.

It is an arithmetic number, because the mean of its divisors is an integer number (97438362).

Almost surely, 2^556790620 is an apocalyptic number.

It is an amenable number.

556790620 is an abundant number, since it is smaller than the sum of its proper divisors (612469724).

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

556790620 is a wasteful number, since it uses less digits than its factorization.

556790620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27839540 (or 27839538 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 556790620 is about 23596.4111678026. The cubic root of 556790620 is about 822.6794267388.

The spelling of 556790620 in words is "five hundred fifty-six million, seven hundred ninety thousand, six hundred twenty".