53013200 has 30 divisors (see below), whose sum is σ = 127365174. Its totient is φ = 21205120.

The previous prime is 53013199. The next prime is 53013203. The reversal of 53013200 is 231035.

It can be written as a sum of positive squares in 3 ways, for example, as 4682896 + 48330304 = 2164^2 + 6952^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53013203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65867 + ... + 66666.

Almost surely, 2^53013200 is an apocalyptic number.

53013200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53013200 is an abundant number, since it is smaller than the sum of its proper divisors (74351974).

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

53013200 is a wasteful number, since it uses less digits than its factorization.

53013200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132551 (or 132540 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 53013200 is about 7281.0164125622. The cubic root of 53013200 is about 375.6597570927.

Adding to 53013200 its reverse (231035), we get a palindrome (53244235).

The spelling of 53013200 in words is "fifty-three million, thirteen thousand, two hundred".