55043330 has 8 divisors (see below), whose sum is σ = 99078012. Its totient is φ = 22017328.

The previous prime is 55043299. The next prime is 55043333. The reversal of 55043330 is 3334055.

It can be written as a sum of positive squares in 2 ways, for example, as 54922921 + 120409 = 7411^2 + 347^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55043296 and 55043305.

It is not an unprimeable number, because it can be changed into a prime (55043333) 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, 2752157 + ... + 2752176.

Almost surely, 2^55043330 is an apocalyptic number.

55043330 is a deficient number, since it is larger than the sum of its proper divisors (44034682).

55043330 is a wasteful number, since it uses less digits than its factorization.

55043330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504340.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 55043330 is about 7419.1192199614. The cubic root of 55043330 is about 380.3950876982.

Adding to 55043330 its reverse (3334055), we get a palindrome (58377385).

The spelling of 55043330 in words is "fifty-five million, forty-three thousand, three hundred thirty".