55325330 has 32 divisors (see below), whose sum is σ = 104509440. Its totient is φ = 21058240.

The previous prime is 55325329. The next prime is 55325341. The reversal of 55325330 is 3352355.

It is a self number, because there is not a number n which added to its sum of digits gives 55325330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19247 + ... + 21933.

It is an arithmetic number, because the mean of its divisors is an integer number (3265920).

Almost surely, 2^55325330 is an apocalyptic number.

55325330 is a deficient number, since it is larger than the sum of its proper divisors (49184110).

55325330 is a wasteful number, since it uses less digits than its factorization.

55325330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794.

The product of its (nonzero) digits is 6750, while the sum is 26.

The square root of 55325330 is about 7438.0998917734. The cubic root of 55325330 is about 381.0435994681.

Adding to 55325330 its reverse (3352355), we get a palindrome (58677685).

It can be divided in two parts, 55325 and 330, that added together give a palindrome (55655).

The spelling of 55325330 in words is "fifty-five million, three hundred twenty-five thousand, three hundred thirty".