505545200 has 30 divisors (see below), whose sum is σ = 1214573304. Its totient is φ = 202217920.

The previous prime is 505545199. The next prime is 505545203. The reversal of 505545200 is 2545505.

It is a self number, because there is not a number n which added to its sum of digits gives 505545200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505545203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 631532 + ... + 632331.

Almost surely, 2^505545200 is an apocalyptic number.

505545200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505545200 is an abundant number, since it is smaller than the sum of its proper divisors (709028104).

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

505545200 is a wasteful number, since it uses less digits than its factorization.

505545200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263881 (or 1263870 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 505545200 is about 22484.3323227531. The cubic root of 505545200 is about 796.6238974567.

The spelling of 505545200 in words is "five hundred five million, five hundred forty-five thousand, two hundred".