556547745655 has 8 divisors (see below), whose sum is σ = 728571594384. Its totient is φ = 404761996800.

The previous prime is 556547745641. The next prime is 556547745661.

556547745655 is nontrivially palindromic in base 10.

556547745655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 556547745655 - 2²³ = 556539357047 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 7 ways as a sum of consecutive naturals, for example, 5059524906 + ... + 5059525015.

It is an arithmetic number, because the mean of its divisors is an integer number (91071449298).

Almost surely, 2^556547745655 is an apocalyptic number.

556547745655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556547745655 is a deficient number, since it is larger than the sum of its proper divisors (172023848729).

556547745655 is a wasteful number, since it uses less digits than its factorization.

556547745655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10119049937.

The product of its digits is 441000000, while the sum is 64.

It can be divided in two parts, 55 and 6547745655, that multiplied together give a square (360126011025 = 600105²).

The spelling of 556547745655 in words is "five hundred fifty-six billion, five hundred forty-seven million, seven hundred forty-five thousand, six hundred fifty-five".