52505500 has 48 divisors (see below), whose sum is σ = 115524864. Its totient is φ = 20846400.

The previous prime is 52505491. The next prime is 52505501. The reversal of 52505500 is 550525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52505501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86197 + ... + 86803.

It is an arithmetic number, because the mean of its divisors is an integer number (2406768).

Almost surely, 2^52505500 is an apocalyptic number.

52505500 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 52505500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57762432).

52505500 is an abundant number, since it is smaller than the sum of its proper divisors (63019364).

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

52505500 is a wasteful number, since it uses less digits than its factorization.

52505500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 787 counting only the distinct ones).

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

The square root of 52505500 is about 7246.0678992126. The cubic root of 52505500 is about 374.4566947133.

The spelling of 52505500 in words is "fifty-two million, five hundred five thousand, five hundred".