55555333355555 has 32 divisors (see below), whose sum is σ = 73183996005120. Its totient is φ = 40150055479680.

The previous prime is 55555333355537. The next prime is 55555333355611.

55555333355555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55555333355555 - 2¹⁴ = 55555333339171 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 10.

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, 60533441 + ... + 61444349.

It is an arithmetic number, because the mean of its divisors is an integer number (2286999875160).

Almost surely, 2^{55555333355555} is an apocalyptic number.

55555333355555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55555333355555 is a deficient number, since it is larger than the sum of its proper divisors (17628662649565).

55555333355555 is a wasteful number, since it uses less digits than its factorization.

55555333355555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917891.

The product of its digits is 791015625, while the sum is 62.

The spelling of 55555333355555 in words is "fifty-five trillion, five hundred fifty-five billion, three hundred thirty-three million, three hundred fifty-five thousand, five hundred fifty-five".