505535555 has 16 divisors (see below), whose sum is σ = 693765120. Its totient is φ = 346423392.

The previous prime is 505535539. The next prime is 505535567. The reversal of 505535555 is 555535505.

It is not a de Polignac number, because 505535555 - 2⁴ = 505535539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61922 + ... + 69608.

It is an arithmetic number, because the mean of its divisors is an integer number (43360320).

Almost surely, 2^505535555 is an apocalyptic number.

505535555 is a deficient number, since it is larger than the sum of its proper divisors (188229565).

505535555 is a wasteful number, since it uses less digits than its factorization.

505535555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9578.

The product of its (nonzero) digits is 234375, while the sum is 38.

The square root of 505535555 is about 22484.1178390436. The cubic root of 505535555 is about 796.6188313180.

The spelling of 505535555 in words is "five hundred five million, five hundred thirty-five thousand, five hundred fifty-five".