505575016 has 16 divisors (see below), whose sum is σ = 951192900. Its totient is φ = 251923584.

The previous prime is 505575013. The next prime is 505575061. The reversal of 505575016 is 610575505.

It can be written as a sum of positive squares in 2 ways, for example, as 504002500 + 1572516 = 22450^2 + 1254^2 .

It is not an unprimeable number, because it can be changed into a prime (505575013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105501 + ... + 110188.

Almost surely, 2^505575016 is an apocalyptic number.

It is an amenable number.

505575016 is a deficient number, since it is larger than the sum of its proper divisors (445617884).

505575016 is a wasteful number, since it uses less digits than its factorization.

505575016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215988 (or 215984 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 505575016 is about 22484.9953524567. The cubic root of 505575016 is about 796.6395582201.

The spelling of 505575016 in words is "five hundred five million, five hundred seventy-five thousand, sixteen".