556554101455655 has 32 divisors (see below), whose sum is σ = 744383842963200. Its totient is φ = 396989494129152.

The previous prime is 556554101455613. The next prime is 556554101455669.

556554101455655 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 556554101455655 - 2⁸ = 556554101455399 is a prime.

It is a super-2 number, since 2×556554101455655² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81637964 + ... + 88192206.

It is an arithmetic number, because the mean of its divisors is an integer number (23261995092600).

Almost surely, 2^{556554101455655} is an apocalyptic number.

556554101455655 is a deficient number, since it is larger than the sum of its proper divisors (187829741507545).

556554101455655 is a wasteful number, since it uses less digits than its factorization.

556554101455655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6606863.

The product of its (nonzero) digits is 225000000, while the sum is 62.

The spelling of 556554101455655 in words is "five hundred fifty-six trillion, five hundred fifty-four billion, one hundred one million, four hundred fifty-five thousand, six hundred fifty-five".