52200144 has 60 divisors (see below), whose sum is σ = 153784800. Its totient is φ = 16483392.

The previous prime is 52200143. The next prime is 52200157. The reversal of 52200144 is 44100225.

52200144 is a `hidden beast` number, since 522 + 0 + 0 + 144 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52200143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6804 + ... + 12275.

It is an arithmetic number, because the mean of its divisors is an integer number (2563080).

Almost surely, 2^52200144 is an apocalyptic number.

It is an amenable number.

52200144 is an abundant number, since it is smaller than the sum of its proper divisors (101584656).

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

52200144 is a wasteful number, since it uses less digits than its factorization.

52200144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19112 (or 19103 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 52200144 is about 7224.9667127261. The cubic root of 52200144 is about 373.7293742230.

Adding to 52200144 its reverse (44100225), we get a palindrome (96300369).

The spelling of 52200144 in words is "fifty-two million, two hundred thousand, one hundred forty-four".