556524641 has 4 divisors (see below), whose sum is σ = 557188800. Its totient is φ = 555860484.

The previous prime is 556524637. The next prime is 556524643. The reversal of 556524641 is 146425655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 556524641 - 2² = 556524637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 556524595 and 556524604.

It is not an unprimeable number, because it can be changed into a prime (556524643) 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 3 ways as a sum of consecutive naturals, for example, 330821 + ... + 332498.

It is an arithmetic number, because the mean of its divisors is an integer number (139297200).

Almost surely, 2^556524641 is an apocalyptic number.

It is an amenable number.

556524641 is a deficient number, since it is larger than the sum of its proper divisors (664159).

556524641 is an equidigital number, since it uses as much as digits as its factorization.

556524641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664158.

The product of its digits is 144000, while the sum is 38.

The square root of 556524641 is about 23590.7744891939. The cubic root of 556524641 is about 822.5484078271.

The spelling of 556524641 in words is "five hundred fifty-six million, five hundred twenty-four thousand, six hundred forty-one".