55055303215 has 32 divisors (see below), whose sum is σ = 72459878400. Its totient is φ = 39825342720.

The previous prime is 55055303209. The next prime is 55055303243. The reversal of 55055303215 is 51230355055.

It is not a de Polignac number, because 55055303215 - 2⁹ = 55055302703 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16388706 + ... + 16392064.

It is an arithmetic number, because the mean of its divisors is an integer number (2264371200).

Almost surely, 2^55055303215 is an apocalyptic number.

55055303215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55055303215 is a deficient number, since it is larger than the sum of its proper divisors (17404575185).

55055303215 is a wasteful number, since it uses less digits than its factorization.

55055303215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887.

The product of its (nonzero) digits is 56250, while the sum is 34.

The spelling of 55055303215 in words is "fifty-five billion, fifty-five million, three hundred three thousand, two hundred fifteen".