505155452 has 12 divisors (see below), whose sum is σ = 884185176. Its totient is φ = 252531120.

The previous prime is 505155449. The next prime is 505155473. The reversal of 505155452 is 254551505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26927 + ... + 41657.

It is an arithmetic number, because the mean of its divisors is an integer number (73682098).

Almost surely, 2^505155452 is an apocalyptic number.

It is an amenable number.

505155452 is a deficient number, since it is larger than the sum of its proper divisors (379029724).

505155452 is a wasteful number, since it uses less digits than its factorization.

505155452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23308 (or 23306 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The square root of 505155452 is about 22475.6635497153. The cubic root of 505155452 is about 796.4191268491.

The spelling of 505155452 in words is "five hundred five million, one hundred fifty-five thousand, four hundred fifty-two".