55650233 has 2 divisors, whose sum is σ = 55650234. Its totient is φ = 55650232.

The previous prime is 55650229. The next prime is 55650247. The reversal of 55650233 is 33205655.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45333289 + 10316944 = 6733^2 + 3212^2 .

It is a cyclic number.

It is not a de Polignac number, because 55650233 - 2² = 55650229 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55650196 and 55650205.

It is not a weakly prime, because it can be changed into another prime (55650253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27825116 + 27825117.

It is an arithmetic number, because the mean of its divisors is an integer number (27825117).

Almost surely, 2^55650233 is an apocalyptic number.

It is an amenable number.

55650233 is a deficient number, since it is larger than the sum of its proper divisors (1).

55650233 is an equidigital number, since it uses as much as digits as its factorization.

55650233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 55650233 is about 7459.9083774534. The cubic root of 55650233 is about 381.7880484070.

Adding to 55650233 its reverse (33205655), we get a palindrome (88855888).

The spelling of 55650233 in words is "fifty-five million, six hundred fifty thousand, two hundred thirty-three".