556117290 has 24 divisors (see below), whose sum is σ = 1445905188. Its totient is φ = 148297920.

The previous prime is 556117283. The next prime is 556117313. The reversal of 556117290 is 92711655.

556117290 is a `hidden beast` number, since 5 + 561 + 1 + 7 + 2 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 520798041 + 35319249 = 22821^2 + 5943^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3089451 + ... + 3089630.

Almost surely, 2^556117290 is an apocalyptic number.

556117290 is an abundant number, since it is smaller than the sum of its proper divisors (889787898).

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

556117290 is a wasteful number, since it uses less digits than its factorization.

556117290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6179094 (or 6179091 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The square root of 556117290 is about 23582.1392159405. The cubic root of 556117290 is about 822.3476693655.

The spelling of 556117290 in words is "five hundred fifty-six million, one hundred seventeen thousand, two hundred ninety".