525505500 has 216 divisors, whose sum is σ = 1797724656. Its totient is φ = 129168000.

The previous prime is 525505493. The next prime is 525505501. The reversal of 525505500 is 5505525.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525505501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 760155 + ... + 760845.

Almost surely, 2^525505500 is an apocalyptic number.

525505500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525505500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898862328).

525505500 is an abundant number, since it is smaller than the sum of its proper divisors (1272219156).

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

525505500 is a wasteful number, since it uses less digits than its factorization.

525505500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 714 counting only the distinct ones).

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

The square root of 525505500 is about 22923.9067351095. The cubic root of 525505500 is about 806.9731568394.

The spelling of 525505500 in words is "five hundred twenty-five million, five hundred five thousand, five hundred".