55332311 has 8 divisors (see below), whose sum is σ = 56217600. Its totient is φ = 54451800.

The previous prime is 55332287. The next prime is 55332317. The reversal of 55332311 is 11323355.

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

It is a cyclic number.

It is not a de Polignac number, because 55332311 - 2¹⁴ = 55315927 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 (55332317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27386 + ... + 29336.

It is an arithmetic number, because the mean of its divisors is an integer number (7027200).

Almost surely, 2^55332311 is an apocalyptic number.

55332311 is a deficient number, since it is larger than the sum of its proper divisors (885289).

55332311 is a wasteful number, since it uses less digits than its factorization.

55332311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389.

The product of its digits is 1350, while the sum is 23.

The square root of 55332311 is about 7438.5691500449. The cubic root of 55332311 is about 381.0596256023.

Adding to 55332311 its reverse (11323355), we get a palindrome (66655666).

The spelling of 55332311 in words is "fifty-five million, three hundred thirty-two thousand, three hundred eleven".