505525500 has 72 divisors (see below), whose sum is σ = 1594778640. Its totient is φ = 134805600.

The previous prime is 505525469. The next prime is 505525507. The reversal of 505525500 is 5525505.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505525507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51670 + ... + 60669.

Almost surely, 2^505525500 is an apocalyptic number.

505525500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505525500 is an abundant number, since it is smaller than the sum of its proper divisors (1089253140).

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

505525500 is a wasteful number, since it uses less digits than its factorization.

505525500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112364 (or 112349 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The square root of 505525500 is about 22483.8942356523. The cubic root of 505525500 is about 796.6135497538.

The spelling of 505525500 in words is "five hundred five million, five hundred twenty-five thousand, five hundred".