55268243 has 2 divisors, whose sum is σ = 55268244. Its totient is φ = 55268242.

The previous prime is 55268203. The next prime is 55268261. The reversal of 55268243 is 34286255.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55268243 is a prime.

It is not a weakly prime, because it can be changed into another prime (55268203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27634121 + 27634122.

It is an arithmetic number, because the mean of its divisors is an integer number (27634122).

Almost surely, 2^55268243 is an apocalyptic number.

55268243 is a deficient number, since it is larger than the sum of its proper divisors (1).

55268243 is an equidigital number, since it uses as much as digits as its factorization.

55268243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 35.

The square root of 55268243 is about 7434.2614293553. The cubic root of 55268243 is about 380.9124954330.

The spelling of 55268243 in words is "fifty-five million, two hundred sixty-eight thousand, two hundred forty-three".