55433230 has 32 divisors (see below), whose sum is σ = 104182848. Its totient is φ = 21216000.

The previous prime is 55433227. The next prime is 55433303. The reversal of 55433230 is 3233455.

It is a happy number.

55433230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55433195 and 55433204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20455 + ... + 23005.

It is an arithmetic number, because the mean of its divisors is an integer number (3255714).

Almost surely, 2^55433230 is an apocalyptic number.

55433230 is a deficient number, since it is larger than the sum of its proper divisors (48749618).

55433230 is a wasteful number, since it uses less digits than its factorization.

55433230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 55433230 is about 7445.3495552593. The cubic root of 55433230 is about 381.2911527735.

Adding to 55433230 its reverse (3233455), we get a palindrome (58666685).

The spelling of 55433230 in words is "fifty-five million, four hundred thirty-three thousand, two hundred thirty".