505045545 has 8 divisors (see below), whose sum is σ = 808072896. Its totient is φ = 269357616.

The previous prime is 505045529. The next prime is 505045547. The reversal of 505045545 is 545540505.

505045545 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505045545 - 2⁴ = 505045529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505045547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16834837 + ... + 16834866.

It is an arithmetic number, because the mean of its divisors is an integer number (101009112).

Almost surely, 2^505045545 is an apocalyptic number.

It is an amenable number.

505045545 is a deficient number, since it is larger than the sum of its proper divisors (303027351).

505045545 is a wasteful number, since it uses less digits than its factorization.

505045545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33669711.

The product of its (nonzero) digits is 50000, while the sum is 33.

The square root of 505045545 is about 22473.2183943466. The cubic root of 505045545 is about 796.3613635173.

The spelling of 505045545 in words is "five hundred five million, forty-five thousand, five hundred forty-five".