53133210 has 48 divisors (see below), whose sum is σ = 148776264. Its totient is φ = 13078656.

The previous prime is 53133203. The next prime is 53133229. The reversal of 53133210 is 1233135.

It can be written as a sum of positive squares in 4 ways, for example, as 15421329 + 37711881 = 3927^2 + 6141^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 21537 + ... + 23876.

Almost surely, 2^53133210 is an apocalyptic number.

53133210 is an abundant number, since it is smaller than the sum of its proper divisors (95643054).

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

53133210 is a wasteful number, since it uses less digits than its factorization.

53133210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45439 (or 45436 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 53133210 is about 7289.2530481525. The cubic root of 53133210 is about 375.9430132814.

Adding to 53133210 its reverse (1233135), we get a palindrome (54366345).

The spelling of 53133210 in words is "fifty-three million, one hundred thirty-three thousand, two hundred ten".