556393744 has 15 divisors (see below), whose sum is σ = 1078195717. Its totient is φ = 278149696.

The previous prime is 556393723. The next prime is 556393781. The reversal of 556393744 is 447393655.

The square root of 556393744 is 23588.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 511664400 + 44729344 = 22620^2 + 6688^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556393694 and 556393703.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 91404 + ... + 97300.

Almost surely, 2^556393744 is an apocalyptic number.

556393744 is the 23588-th square number.

It is an amenable number.

556393744 is a deficient number, since it is larger than the sum of its proper divisors (521801973).

556393744 is an frugal number, since it uses more digits than its factorization.

556393744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11802 (or 5899 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 46.

The cubic root of 556393744 is about 822.4839137906.

The spelling of 556393744 in words is "five hundred fifty-six million, three hundred ninety-three thousand, seven hundred forty-four".