52125500 has 96 divisors (see below), whose sum is σ = 133031808. Its totient is φ = 17472000.

The previous prime is 52125467. The next prime is 52125523. The reversal of 52125500 is 552125.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185360 + ... + 185640.

It is an arithmetic number, because the mean of its divisors is an integer number (1385748).

Almost surely, 2^52125500 is an apocalyptic number.

52125500 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 52125500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66515904).

52125500 is an abundant number, since it is smaller than the sum of its proper divisors (80906308).

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

52125500 is a wasteful number, since it uses less digits than its factorization.

52125500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 52125500 is about 7219.7991661818. The cubic root of 52125500 is about 373.5511501744.

Adding to 52125500 its reverse (552125), we get a palindrome (52677625).

It can be divided in two parts, 52125 and 500, that added together give a palindrome (52625).

The spelling of 52125500 in words is "fifty-two million, one hundred twenty-five thousand, five hundred".