556534242435655 has 24 divisors (see below), whose sum is σ = 734091269115456. Its totient is φ = 404742249362880.

The previous prime is 556534242435637. The next prime is 556534242435667.

556534242435655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556534242435655 - 2¹⁹ = 556534241911367 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 23 ways as a sum of consecutive naturals, for example, 13452229 + ... + 35972641.

It is an arithmetic number, because the mean of its divisors is an integer number (30587136213144).

Almost surely, 2^{556534242435655} is an apocalyptic number.

556534242435655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556534242435655 is a deficient number, since it is larger than the sum of its proper divisors (177557026679801).

556534242435655 is a wasteful number, since it uses less digits than its factorization.

556534242435655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22561287 (or 22561276 counting only the distinct ones).

The product of its digits is 1296000000, while the sum is 64.

The spelling of 556534242435655 in words is "five hundred fifty-six trillion, five hundred thirty-four billion, two hundred forty-two million, four hundred thirty-five thousand, six hundred fifty-five".