5556430346555 has 96 divisors (see below), whose sum is σ = 7948422820800. Its totient is φ = 3711205048320.

The previous prime is 5556430346543. The next prime is 5556430346581.

5556430346555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5556430346555 - 2⁶ = 5556430346491 is a prime.

It is a super-2 number, since 2×5556430346555² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5556430346555.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 490455131 + ... + 490466459.

It is an arithmetic number, because the mean of its divisors is an integer number (82796071050).

Almost surely, 2^{5556430346555} is an apocalyptic number.

5556430346555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5556430346555 is a deficient number, since it is larger than the sum of its proper divisors (2391992474245).

5556430346555 is a wasteful number, since it uses less digits than its factorization.

5556430346555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12525 (or 12514 counting only the distinct ones).

The product of its (nonzero) digits is 81000000, while the sum is 56.

The spelling of 5556430346555 in words is "five trillion, five hundred fifty-six billion, four hundred thirty million, three hundred forty-six thousand, five hundred fifty-five".