505432755 has 24 divisors (see below), whose sum is σ = 876786768. Its totient is φ = 269347776.

The previous prime is 505432747. The next prime is 505432771. The reversal of 505432755 is 557234505.

It is not a de Polignac number, because 505432755 - 2³ = 505432747 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63424 + ... + 70946.

It is an arithmetic number, because the mean of its divisors is an integer number (36532782).

Almost surely, 2^505432755 is an apocalyptic number.

505432755 is a deficient number, since it is larger than the sum of its proper divisors (371354013).

505432755 is a wasteful number, since it uses less digits than its factorization.

505432755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9027 (or 9024 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 36.

The square root of 505432755 is about 22481.8316647021. The cubic root of 505432755 is about 796.5648305218.

The spelling of 505432755 in words is "five hundred five million, four hundred thirty-two thousand, seven hundred fifty-five".