55325311 has 4 divisors (see below), whose sum is σ = 55408192. Its totient is φ = 55242432.

The previous prime is 55325299. The next prime is 55325329. The reversal of 55325311 is 11352355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55325311 - 2⁹ = 55324799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55325341) 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, 40431 + ... + 41776.

It is an arithmetic number, because the mean of its divisors is an integer number (13852048).

Almost surely, 2^55325311 is an apocalyptic number.

55325311 is a deficient number, since it is larger than the sum of its proper divisors (82881).

55325311 is an equidigital number, since it uses as much as digits as its factorization.

55325311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82880.

The product of its digits is 2250, while the sum is 25.

The square root of 55325311 is about 7438.0986145654. The cubic root of 55325311 is about 381.0435558484.

Adding to 55325311 its reverse (11352355), we get a palindrome (66677666).

The spelling of 55325311 in words is "fifty-five million, three hundred twenty-five thousand, three hundred eleven".