505534455 has 24 divisors (see below), whose sum is σ = 879400080. Its totient is φ = 268652160.

The previous prime is 505534439. The next prime is 505534459. The reversal of 505534455 is 554435505.

505534455 is a `hidden beast` number, since 50 + 553 + 4 + 4 + 55 = 666.

It is not a de Polignac number, because 505534455 - 2⁴ = 505534439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505534459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7345 + ... + 32634.

It is an arithmetic number, because the mean of its divisors is an integer number (36641670).

Almost surely, 2^505534455 is an apocalyptic number.

505534455 is a deficient number, since it is larger than the sum of its proper divisors (373865625).

505534455 is a wasteful number, since it uses less digits than its factorization.

505534455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40271 (or 40268 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

The square root of 505534455 is about 22484.0933773190. The cubic root of 505534455 is about 796.6182535272.

The spelling of 505534455 in words is "five hundred five million, five hundred thirty-four thousand, four hundred fifty-five".