556054383450655 has 8 divisors (see below), whose sum is σ = 672358888081584. Its totient is φ = 441447754800000.

The previous prime is 556054383450653. The next prime is 556054383450689.

556054383450655 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 556054383450655 - 2¹ = 556054383450653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556054383450653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424468994346 + ... + 424468995655.

It is an arithmetic number, because the mean of its divisors is an integer number (84044861010198).

Almost surely, 2^{556054383450655} is an apocalyptic number.

556054383450655 is a deficient number, since it is larger than the sum of its proper divisors (116304504630929).

556054383450655 is a wasteful number, since it uses less digits than its factorization.

556054383450655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848937990137.

The product of its (nonzero) digits is 648000000, while the sum is 64.

The spelling of 556054383450655 in words is "five hundred fifty-six trillion, fifty-four billion, three hundred eighty-three million, four hundred fifty thousand, six hundred fifty-five".