556457693 has 8 divisors (see below), whose sum is σ = 638994720. Its totient is φ = 479245680.

The previous prime is 556457687. The next prime is 556457717. The reversal of 556457693 is 396754655.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556457693 - 2⁸ = 556457437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556457663) 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 7 ways as a sum of consecutive naturals, for example, 1331030 + ... + 1331447.

It is an arithmetic number, because the mean of its divisors is an integer number (79874340).

Almost surely, 2^556457693 is an apocalyptic number.

It is an amenable number.

556457693 is a deficient number, since it is larger than the sum of its proper divisors (82537027).

556457693 is a wasteful number, since it uses less digits than its factorization.

556457693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662507.

The product of its digits is 3402000, while the sum is 50.

The square root of 556457693 is about 23589.3555020056. The cubic root of 556457693 is about 822.5154232564.

The spelling of 556457693 in words is "five hundred fifty-six million, four hundred fifty-seven thousand, six hundred ninety-three".