556457900546 has 8 divisors (see below), whose sum is σ = 837535612284. Its totient is φ = 277279363120.

The previous prime is 556457900527. The next prime is 556457900599. The reversal of 556457900546 is 645009754655.

It can be written as a sum of positive squares in 2 ways, for example, as 556457813521 + 87025 = 745961^2 + 295^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 556457900491 and 556457900500.

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, 474792845 + ... + 474794016.

Almost surely, 2^556457900546 is an apocalyptic number.

556457900546 is a deficient number, since it is larger than the sum of its proper divisors (281077711738).

556457900546 is a wasteful number, since it uses less digits than its factorization.

556457900546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949587156.

The product of its (nonzero) digits is 22680000, while the sum is 56.

The spelling of 556457900546 in words is "five hundred fifty-six billion, four hundred fifty-seven million, nine hundred thousand, five hundred forty-six".