55333033 has 4 divisors (see below), whose sum is σ = 63237760. Its totient is φ = 47428308.

The previous prime is 55333027. The next prime is 55333037. The reversal of 55333033 is 33033355.

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-55333033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55332989 and 55333007.

It is not an unprimeable number, because it can be changed into a prime (55333037) 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, 3952353 + ... + 3952366.

It is an arithmetic number, because the mean of its divisors is an integer number (15809440).

Almost surely, 2^55333033 is an apocalyptic number.

It is an amenable number.

55333033 is a deficient number, since it is larger than the sum of its proper divisors (7904727).

55333033 is an equidigital number, since it uses as much as digits as its factorization.

55333033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7904726.

The product of its (nonzero) digits is 6075, while the sum is 25.

The square root of 55333033 is about 7438.6176807254. The cubic root of 55333033 is about 381.0612830056.

Adding to 55333033 its reverse (33033355), we get a palindrome (88366388).

The spelling of 55333033 in words is "fifty-five million, three hundred thirty-three thousand, thirty-three".