53118300 has 72 divisors (see below), whose sum is σ = 161795200. Its totient is φ = 13417920.

The previous prime is 53118269. The next prime is 53118313. The reversal of 53118300 is 381135.

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 23 ways as a sum of consecutive naturals, for example, 1041 + ... + 10359.

Almost surely, 2^53118300 is an apocalyptic number.

53118300 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 53118300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80897600).

53118300 is an abundant number, since it is smaller than the sum of its proper divisors (108676900).

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

53118300 is a wasteful number, since it uses less digits than its factorization.

53118300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9355 (or 9348 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 53118300 is about 7288.2302378561. The cubic root of 53118300 is about 375.9078448515.

Adding to 53118300 its reverse (381135), we get a palindrome (53499435).

The spelling of 53118300 in words is "fifty-three million, one hundred eighteen thousand, three hundred".