556683890 has 16 divisors (see below), whose sum is σ = 1145178432. Its totient is φ = 190863024.

The previous prime is 556683889. The next prime is 556683899. The reversal of 556683890 is 98386655.

It is not an unprimeable number, because it can be changed into a prime (556683899) 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 7 ways as a sum of consecutive naturals, for example, 3976244 + ... + 3976383.

It is an arithmetic number, because the mean of its divisors is an integer number (71573652).

Almost surely, 2^556683890 is an apocalyptic number.

556683890 is an abundant number, since it is smaller than the sum of its proper divisors (588494542).

556683890 is a wasteful number, since it uses less digits than its factorization.

556683890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7952641.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 556683890 is about 23594.1494866842. The cubic root of 556683890 is about 822.6268574946.

The spelling of 556683890 in words is "five hundred fifty-six million, six hundred eighty-three thousand, eight hundred ninety".