51822263 has 2 divisors, whose sum is σ = 51822264. Its totient is φ = 51822262.

The previous prime is 51822227. The next prime is 51822283. The reversal of 51822263 is 36222815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51822263 - 2¹⁰ = 51821239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51822283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25911131 + 25911132.

It is an arithmetic number, because the mean of its divisors is an integer number (25911132).

Almost surely, 2^51822263 is an apocalyptic number.

51822263 is a deficient number, since it is larger than the sum of its proper divisors (1).

51822263 is an equidigital number, since it uses as much as digits as its factorization.

51822263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 51822263 is about 7198.7681585116. The cubic root of 51822263 is about 372.8253704137.

The spelling of 51822263 in words is "fifty-one million, eight hundred twenty-two thousand, two hundred sixty-three".