55233330 has 16 divisors (see below), whose sum is σ = 132560064. Its totient is φ = 14728880.

The previous prime is 55233329. The next prime is 55233359. The reversal of 55233330 is 3333255.

55233330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55233330.

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 7 ways as a sum of consecutive naturals, for example, 920526 + ... + 920585.

It is an arithmetic number, because the mean of its divisors is an integer number (8285004).

Almost surely, 2^55233330 is an apocalyptic number.

55233330 is an abundant number, since it is smaller than the sum of its proper divisors (77326734).

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

55233330 is a wasteful number, since it uses less digits than its factorization.

55233330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841121.

The product of its (nonzero) digits is 4050, while the sum is 24.

The square root of 55233330 is about 7431.9129435160. The cubic root of 55233330 is about 380.8322709466.

Adding to 55233330 its reverse (3333255), we get a palindrome (58566585).

The spelling of 55233330 in words is "fifty-five million, two hundred thirty-three thousand, three hundred thirty".