55504466440555 has 16 divisors (see below), whose sum is σ = 72748894795488. Its totient is φ = 40317716704000.

The previous prime is 55504466440537. The next prime is 55504466440573.

55504466440555 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (55504466440537) and next prime (55504466440573).

It is not a de Polignac number, because 55504466440555 - 2⁷ = 55504466440427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55504466440555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614554186 + ... + 614644495.

It is an arithmetic number, because the mean of its divisors is an integer number (4546805924718).

Almost surely, 2^{55504466440555} is an apocalyptic number.

55504466440555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55504466440555 is a deficient number, since it is larger than the sum of its proper divisors (17244428354933).

55504466440555 is a wasteful number, since it uses less digits than its factorization.

55504466440555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229199518.

The product of its (nonzero) digits is 144000000, while the sum is 58.

The spelling of 55504466440555 in words is "fifty-five trillion, five hundred four billion, four hundred sixty-six million, four hundred forty thousand, five hundred fifty-five".