55556111055 has 64 divisors (see below), whose sum is σ = 96357542400. Its totient is φ = 27237772800.

The previous prime is 55556111053. The next prime is 55556111111. The reversal of 55556111055 is 55011165555.

It is not a de Polignac number, because 55556111055 - 2¹ = 55556111053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55556111053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3989605 + ... + 4003505.

It is an arithmetic number, because the mean of its divisors is an integer number (1505586600).

Almost surely, 2^55556111055 is an apocalyptic number.

55556111055 is a deficient number, since it is larger than the sum of its proper divisors (40801431345).

55556111055 is a wasteful number, since it uses less digits than its factorization.

55556111055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14344.

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 55556111055 in words is "fifty-five billion, five hundred fifty-six million, one hundred eleven thousand, fifty-five".