55033211 has 2 divisors, whose sum is σ = 55033212. Its totient is φ = 55033210.

The previous prime is 55033207. The next prime is 55033243. The reversal of 55033211 is 11233055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55033211 - 2² = 55033207 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (55033261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27516605 + 27516606.

It is an arithmetic number, because the mean of its divisors is an integer number (27516606).

Almost surely, 2^55033211 is an apocalyptic number.

55033211 is a deficient number, since it is larger than the sum of its proper divisors (1).

55033211 is an equidigital number, since it uses as much as digits as its factorization.

55033211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 55033211 is about 7418.4372343506. The cubic root of 55033211 is about 380.3717760405.

Adding to 55033211 its reverse (11233055), we get a palindrome (66266266).

The spelling of 55033211 in words is "fifty-five million, thirty-three thousand, two hundred eleven".