53125500 has 96 divisors (see below), whose sum is σ = 156619008. Its totient is φ = 13992000.

The previous prime is 53125487. The next prime is 53125507. The reversal of 53125500 is 552135.

53125500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53125507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160335 + ... + 160665.

It is an arithmetic number, because the mean of its divisors is an integer number (1631448).

Almost surely, 2^53125500 is an apocalyptic number.

53125500 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 53125500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78309504).

53125500 is an abundant number, since it is smaller than the sum of its proper divisors (103493508).

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

53125500 is a wasteful number, since it uses less digits than its factorization.

53125500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 53125500 is about 7288.7241681929. The cubic root of 53125500 is about 375.9248284159.

Adding to 53125500 its reverse (552135), we get a palindrome (53677635).

The spelling of 53125500 in words is "fifty-three million, one hundred twenty-five thousand, five hundred".