55302433 has 2 divisors, whose sum is σ = 55302434. Its totient is φ = 55302432.

The previous prime is 55302427. The next prime is 55302437. The reversal of 55302433 is 33420355.

It is a happy number.

55302433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41254929 + 14047504 = 6423^2 + 3748^2 .

It is a cyclic number.

It is not a de Polignac number, because 55302433 - 2¹³ = 55294241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55302398 and 55302407.

It is not a weakly prime, because it can be changed into another prime (55302437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27651216 + 27651217.

It is an arithmetic number, because the mean of its divisors is an integer number (27651217).

Almost surely, 2^55302433 is an apocalyptic number.

It is an amenable number.

55302433 is a deficient number, since it is larger than the sum of its proper divisors (1).

55302433 is an equidigital number, since it uses as much as digits as its factorization.

55302433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 55302433 is about 7436.5605625181. The cubic root of 55302433 is about 380.9910258447.

Adding to 55302433 its reverse (33420355), we get a palindrome (88722788).

The spelling of 55302433 in words is "fifty-five million, three hundred two thousand, four hundred thirty-three".