556535047 has 4 divisors (see below), whose sum is σ = 559360296. Its totient is φ = 553709800.

The previous prime is 556535039. The next prime is 556535081. The reversal of 556535047 is 740535655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740535655 = 5 ⋅148107131.

It is a cyclic number.

It is not a de Polignac number, because 556535047 - 2³ = 556535039 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556535017) 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, 1412329 + ... + 1412722.

It is an arithmetic number, because the mean of its divisors is an integer number (139840074).

Almost surely, 2^556535047 is an apocalyptic number.

556535047 is a deficient number, since it is larger than the sum of its proper divisors (2825249).

556535047 is a wasteful number, since it uses less digits than its factorization.

556535047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825248.

The product of its (nonzero) digits is 315000, while the sum is 40.

The square root of 556535047 is about 23590.9950404810. The cubic root of 556535047 is about 822.5535345156.

The spelling of 556535047 in words is "five hundred fifty-six million, five hundred thirty-five thousand, forty-seven".