55449230 has 8 divisors (see below), whose sum is σ = 99808632. Its totient is φ = 22179688.

The previous prime is 55449217. The next prime is 55449241. The reversal of 55449230 is 3294455.

It is a happy number.

55449230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2772452 + ... + 2772471.

It is an arithmetic number, because the mean of its divisors is an integer number (12476079).

Almost surely, 2^55449230 is an apocalyptic number.

55449230 is a deficient number, since it is larger than the sum of its proper divisors (44359402).

55449230 is a wasteful number, since it uses less digits than its factorization.

55449230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5544930.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 55449230 is about 7446.4239739623. The cubic root of 55449230 is about 381.3278339699.

The spelling of 55449230 in words is "fifty-five million, four hundred forty-nine thousand, two hundred thirty".