55325233 has 4 divisors (see below), whose sum is σ = 55365120. Its totient is φ = 55285348.

The previous prime is 55325213. The next prime is 55325261. The reversal of 55325233 is 33252355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55325233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55325203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17785 + ... + 20662.

It is an arithmetic number, because the mean of its divisors is an integer number (13841280).

Almost surely, 2^55325233 is an apocalyptic number.

It is an amenable number.

55325233 is a deficient number, since it is larger than the sum of its proper divisors (39887).

55325233 is a wasteful number, since it uses less digits than its factorization.

55325233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39886.

The product of its digits is 13500, while the sum is 28.

The square root of 55325233 is about 7438.0933712881. The cubic root of 55325233 is about 381.0433767778.

Adding to 55325233 its reverse (33252355), we get a palindrome (88577588).

The spelling of 55325233 in words is "fifty-five million, three hundred twenty-five thousand, two hundred thirty-three".