505255000 has 40 divisors (see below), whose sum is σ = 1183824180. Its totient is φ = 202100000.

The previous prime is 505254941. The next prime is 505255021. The reversal of 505255000 is 552505.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 45526 + ... + 55525.

Almost surely, 2^505255000 is an apocalyptic number.

505255000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505255000 is an abundant number, since it is smaller than the sum of its proper divisors (678569180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505255000 is a wasteful number, since it uses less digits than its factorization.

505255000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101077 (or 101058 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 22.

The square root of 505255000 is about 22477.8780137272. The cubic root of 505255000 is about 796.4714386168.

The spelling of 505255000 in words is "five hundred five million, two hundred fifty-five thousand".