55011333 has 16 divisors (see below), whose sum is σ = 79155776. Its totient is φ = 33782400.

The previous prime is 55011323. The next prime is 55011353. The reversal of 55011333 is 33311055.

It is a happy number.

It is not a de Polignac number, because 55011333 - 2⁴ = 55011317 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 (55011323) 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 15 ways as a sum of consecutive naturals, for example, 22266 + ... + 24612.

It is an arithmetic number, because the mean of its divisors is an integer number (4947236).

Almost surely, 2^55011333 is an apocalyptic number.

It is an amenable number.

55011333 is a deficient number, since it is larger than the sum of its proper divisors (24144443).

55011333 is a wasteful number, since it uses less digits than its factorization.

55011333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 55011333 is about 7416.9625184438. The cubic root of 55011333 is about 380.3213648036.

Adding to 55011333 its reverse (33311055), we get a palindrome (88322388).

The spelling of 55011333 in words is "fifty-five million, eleven thousand, three hundred thirty-three".