53100500 has 48 divisors (see below), whose sum is σ = 117940368. Its totient is φ = 20880000.

The previous prime is 53100473. The next prime is 53100511. The reversal of 53100500 is 500135.

It can be written as a sum of positive squares in 8 ways, for example, as 48832144 + 4268356 = 6988^2 + 2066^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29630 + ... + 31370.

It is an arithmetic number, because the mean of its divisors is an integer number (2457091).

Almost surely, 2^53100500 is an apocalyptic number.

53100500 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 53100500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58970184).

53100500 is an abundant number, since it is smaller than the sum of its proper divisors (64839868).

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

53100500 is a wasteful number, since it uses less digits than its factorization.

53100500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 53100500 is about 7287.0089886043. The cubic root of 53100500 is about 375.8658511181.

Adding to 53100500 its reverse (500135), we get a palindrome (53600635).

The spelling of 53100500 in words is "fifty-three million, one hundred thousand, five hundred".