55553335585 has 16 divisors (see below), whose sum is σ = 72779265792. Its totient is φ = 40371926400.

The previous prime is 55553335571. The next prime is 55553335613. The reversal of 55553335585 is 58553335555.

55553335585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55553335585 - 2¹³ = 55553327393 is a prime.

It is a Duffinian number.

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, 307596 + ... + 453565.

It is an arithmetic number, because the mean of its divisors is an integer number (4548704112).

Almost surely, 2^55553335585 is an apocalyptic number.

55553335585 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55553335585 is a deficient number, since it is larger than the sum of its proper divisors (17225930207).

55553335585 is a wasteful number, since it uses less digits than its factorization.

55553335585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762504.

The product of its digits is 16875000, while the sum is 52.

The spelling of 55553335585 in words is "fifty-five billion, five hundred fifty-three million, three hundred thirty-five thousand, five hundred eighty-five".