505545603 has 8 divisors (see below), whose sum is σ = 697304400. Its totient is φ = 325408608.

The previous prime is 505545587. The next prime is 505545611. The reversal of 505545603 is 306545505.

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

It is not a de Polignac number, because 505545603 - 2⁴ = 505545587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505545653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2905348 + ... + 2905521.

It is an arithmetic number, because the mean of its divisors is an integer number (87163050).

Almost surely, 2^505545603 is an apocalyptic number.

505545603 is a deficient number, since it is larger than the sum of its proper divisors (191758797).

505545603 is a wasteful number, since it uses less digits than its factorization.

505545603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810901.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 505545603 is about 22484.3412845473. The cubic root of 505545603 is about 796.6241091354.

The spelling of 505545603 in words is "five hundred five million, five hundred forty-five thousand, six hundred three".