55200324 has 12 divisors (see below), whose sum is σ = 128800784. Its totient is φ = 18400104.

The previous prime is 55200319. The next prime is 55200329. The reversal of 55200324 is 42300255.

It is an interprime number because it is at equal distance from previous prime (55200319) and next prime (55200329).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 55200324.

It is not an unprimeable number, because it can be changed into a prime (55200329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300002 + ... + 2300025.

Almost surely, 2^55200324 is an apocalyptic number.

It is an amenable number.

55200324 is an abundant number, since it is smaller than the sum of its proper divisors (73600460).

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

55200324 is a wasteful number, since it uses less digits than its factorization.

55200324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600034 (or 4600032 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 55200324 is about 7429.6920528377. The cubic root of 55200324 is about 380.7563973479.

Adding to 55200324 its reverse (42300255), we get a palindrome (97500579).

The spelling of 55200324 in words is "fifty-five million, two hundred thousand, three hundred twenty-four".