55350233 has 2 divisors, whose sum is σ = 55350234. Its totient is φ = 55350232.

The previous prime is 55350227. The next prime is 55350263. The reversal of 55350233 is 33205355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28174864 + 27175369 = 5308^2 + 5213^2 .

It is a cyclic number.

It is not a de Polignac number, because 55350233 - 2¹⁴ = 55333849 is a prime.

It is a Chen prime.

It is equal to p_3301865 and since 55350233 and 3301865 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (55350223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27675116 + 27675117.

It is an arithmetic number, because the mean of its divisors is an integer number (27675117).

Almost surely, 2^55350233 is an apocalyptic number.

It is an amenable number.

55350233 is a deficient number, since it is larger than the sum of its proper divisors (1).

55350233 is an equidigital number, since it uses as much as digits as its factorization.

55350233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 26.

The square root of 55350233 is about 7439.7737196772. The cubic root of 55350233 is about 381.1007625877.

Adding to 55350233 its reverse (33205355), we get a palindrome (88555588).

The spelling of 55350233 in words is "fifty-five million, three hundred fifty thousand, two hundred thirty-three".