52200612 has 60 divisors (see below), whose sum is σ = 137146240. Its totient is φ = 17313264.

The previous prime is 52200611. The next prime is 52200623. The reversal of 52200612 is 21600225.

52200612 is a `hidden beast` number, since 52 + 2 + 0 + 0 + 612 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (52200611) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 118689 + ... + 119127.

Almost surely, 2^52200612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52200612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68573120).

52200612 is an abundant number, since it is smaller than the sum of its proper divisors (84945628).

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

52200612 is a wasteful number, since it uses less digits than its factorization.

52200612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 52200612 is about 7224.9991003460. Note that the first 3 decimals coincide. The cubic root of 52200612 is about 373.7304911089.

Adding to 52200612 its reverse (21600225), we get a palindrome (73800837).

The spelling of 52200612 in words is "fifty-two million, two hundred thousand, six hundred twelve".