515055505 has 16 divisors (see below), whose sum is σ = 634296960. Its totient is φ = 401280768.

The previous prime is 515055481. The next prime is 515055659. The reversal of 515055505 is 505550515.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-515055505 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73849 + ... + 80521.

It is an arithmetic number, because the mean of its divisors is an integer number (39643560).

Almost surely, 2^515055505 is an apocalyptic number.

It is an amenable number.

515055505 is a deficient number, since it is larger than the sum of its proper divisors (119241455).

515055505 is a wasteful number, since it uses less digits than its factorization.

515055505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7080.

The product of its (nonzero) digits is 15625, while the sum is 31.

The square root of 515055505 is about 22694.8343241364. The cubic root of 515055505 is about 801.5882535807.

The spelling of 515055505 in words is "five hundred fifteen million, fifty-five thousand, five hundred five".