53116500 has 96 divisors (see below), whose sum is σ = 163852416. Its totient is φ = 13324800.

The previous prime is 53116493. The next prime is 53116529. The reversal of 53116500 is 561135.

It is a happy number.

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, 24459 + ... + 26541.

It is an arithmetic number, because the mean of its divisors is an integer number (1706796).

Almost surely, 2^53116500 is an apocalyptic number.

53116500 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 53116500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81926208).

53116500 is an abundant number, since it is smaller than the sum of its proper divisors (110735916).

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

53116500 is a wasteful number, since it uses less digits than its factorization.

53116500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122 (or 2110 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 53116500 is about 7288.1067500415. The cubic root of 53116500 is about 375.9035987206.

Adding to 53116500 its reverse (561135), we get a palindrome (53677635).

It can be divided in two parts, 5311 and 6500, that added together give a palindrome (11811).

The spelling of 53116500 in words is "fifty-three million, one hundred sixteen thousand, five hundred".