55200232 has 16 divisors (see below), whose sum is σ = 103580100. Its totient is φ = 27578880.

The previous prime is 55200209. The next prime is 55200239. The reversal of 55200232 is 23200255.

It can be written as a sum of positive squares in 2 ways, for example, as 55145476 + 54756 = 7426^2 + 234^2 .

It is a super-2 number, since 2×55200232² = 6094131225707648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55200239) 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, 16632 + ... + 19672.

Almost surely, 2^55200232 is an apocalyptic number.

It is an amenable number.

55200232 is a deficient number, since it is larger than the sum of its proper divisors (48379868).

55200232 is a wasteful number, since it uses less digits than its factorization.

55200232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316 (or 5312 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 55200232 is about 7429.6858614614. The cubic root of 55200232 is about 380.7561858177.

Adding to 55200232 its reverse (23200255), we get a palindrome (78400487).

The spelling of 55200232 in words is "fifty-five million, two hundred thousand, two hundred thirty-two".