385545545583 has 24 divisors (see below), whose sum is σ = 565076727600. Its totient is φ = 233649588480.

The previous prime is 385545545569. The next prime is 385545545719.

385545545583 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 385545545583 - 2⁵ = 385545545551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385545541583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10970103 + ... + 11005191.

It is an arithmetic number, because the mean of its divisors is an integer number (23544863650).

Almost surely, 2^385545545583 is an apocalyptic number.

385545545583 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

385545545583 is a deficient number, since it is larger than the sum of its proper divisors (179531182017).

385545545583 is a wasteful number, since it uses less digits than its factorization.

385545545583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65383 (or 65372 counting only the distinct ones).

The product of its digits is 144000000, while the sum is 60.

The spelling of 385545545583 in words is "three hundred eighty-five billion, five hundred forty-five million, five hundred forty-five thousand, five hundred eighty-three".