55202023 has 2 divisors, whose sum is σ = 55202024. Its totient is φ = 55202022.

The previous prime is 55201997. The next prime is 55202029. The reversal of 55202023 is 32020255.

55202023 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55202023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55202029) 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, 27601011 + 27601012.

It is an arithmetic number, because the mean of its divisors is an integer number (27601012).

Almost surely, 2^55202023 is an apocalyptic number.

55202023 is a deficient number, since it is larger than the sum of its proper divisors (1).

55202023 is an equidigital number, since it uses as much as digits as its factorization.

55202023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 55202023 is about 7429.8063904788. The cubic root of 55202023 is about 380.7603037168.

Adding to 55202023 its reverse (32020255), we get a palindrome (87222278).

The spelling of 55202023 in words is "fifty-five million, two hundred two thousand, twenty-three".