556545655 has 4 divisors (see below), whose sum is σ = 667854792. Its totient is φ = 445236520.

The previous prime is 556545637. The next prime is 556545707.

556545655 is nontrivially palindromic in base 10.

556545655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 556545655 - 2²³ = 548157047 is a prime.

It is a Duffinian number.

It is a congruent 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, 55654561 + ... + 55654570.

It is an arithmetic number, because the mean of its divisors is an integer number (166963698).

Almost surely, 2^556545655 is an apocalyptic number.

556545655 is a deficient number, since it is larger than the sum of its proper divisors (111309137).

556545655 is a wasteful number, since it uses less digits than its factorization.

556545655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111309136.

The product of its digits is 2250000, while the sum is 46.

The square root of 556545655 is about 23591.2198709605. The cubic root of 556545655 is about 822.5587606569.

The spelling of 556545655 in words is "five hundred fifty-six million, five hundred forty-five thousand, six hundred fifty-five".