556530544490 has 8 divisors (see below), whose sum is σ = 1001754980100. Its totient is φ = 222612217792.

The previous prime is 556530544481. The next prime is 556530544517. The reversal of 556530544490 is 94445035655.

556530544490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 512144903449 + 44385641041 = 715643^2 + 210679^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27826527215 + ... + 27826527234.

Almost surely, 2^556530544490 is an apocalyptic number.

556530544490 is a deficient number, since it is larger than the sum of its proper divisors (445224435610).

556530544490 is a wasteful number, since it uses less digits than its factorization.

556530544490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55653054456.

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 556530544490 in words is "five hundred fifty-six billion, five hundred thirty million, five hundred forty-four thousand, four hundred ninety".