505550875 has 8 divisors (see below), whose sum is σ = 630927648. Its totient is φ = 404440600.

The previous prime is 505550873. The next prime is 505550909. The reversal of 505550875 is 578055505.

It is not a de Polignac number, because 505550875 - 2¹ = 505550873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505550873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2022079 + ... + 2022328.

It is an arithmetic number, because the mean of its divisors is an integer number (78865956).

Almost surely, 2^505550875 is an apocalyptic number.

505550875 is a deficient number, since it is larger than the sum of its proper divisors (125376773).

505550875 is an equidigital number, since it uses as much as digits as its factorization.

505550875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044422 (or 4044412 counting only the distinct ones).

The product of its (nonzero) digits is 175000, while the sum is 40.

The square root of 505550875 is about 22484.4585213876. The cubic root of 505550875 is about 796.6268782807.

The spelling of 505550875 in words is "five hundred five million, five hundred fifty thousand, eight hundred seventy-five".