556993744 has 20 divisors (see below), whose sum is σ = 1092180096. Its totient is φ = 275140832.

The previous prime is 556993739. The next prime is 556993747. The reversal of 556993744 is 447399655.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 556993691 and 556993700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556993747) 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 3 ways as a sum of consecutive naturals, for example, 208384 + ... + 211039.

Almost surely, 2^556993744 is an apocalyptic number.

It is an amenable number.

556993744 is a deficient number, since it is larger than the sum of its proper divisors (535186352).

556993744 is a wasteful number, since it uses less digits than its factorization.

556993744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419514 (or 419508 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 52.

The square root of 556993744 is about 23600.7149044261. The cubic root of 556993744 is about 822.7794557343.

The spelling of 556993744 in words is "five hundred fifty-six million, nine hundred ninety-three thousand, seven hundred forty-four".