55556100556 has 24 divisors (see below), whose sum is σ = 109482992640. Its totient is φ = 24438166800.

The previous prime is 55556100527. The next prime is 55556100569. The reversal of 55556100556 is 65500165555.

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, 20363776 + ... + 20366503.

It is an arithmetic number, because the mean of its divisors is an integer number (4561791360).

Almost surely, 2^55556100556 is an apocalyptic number.

It is an amenable number.

55556100556 is a deficient number, since it is larger than the sum of its proper divisors (53926892084).

55556100556 is a wasteful number, since it uses less digits than its factorization.

55556100556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40730325 (or 40730323 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 55556100556 in words is "fifty-five billion, five hundred fifty-six million, one hundred thousand, five hundred fifty-six".