556480819 has 4 divisors (see below), whose sum is σ = 563524960. Its totient is φ = 549436680.

The previous prime is 556480807. The next prime is 556480829. The reversal of 556480819 is 918084655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 556480819 - 2⁹ = 556480307 is a prime.

It is a super-2 number, since 2×556480819² = 619341803829821522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556480829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3521952 + ... + 3522109.

It is an arithmetic number, because the mean of its divisors is an integer number (140881240).

Almost surely, 2^556480819 is an apocalyptic number.

556480819 is a deficient number, since it is larger than the sum of its proper divisors (7044141).

556480819 is an equidigital number, since it uses as much as digits as its factorization.

556480819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044140.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 556480819 is about 23589.8456756292. The cubic root of 556480819 is about 822.5268174908.

The spelling of 556480819 in words is "five hundred fifty-six million, four hundred eighty thousand, eight hundred nineteen".