51582263 has 2 divisors, whose sum is σ = 51582264. Its totient is φ = 51582262.

The previous prime is 51582247. The next prime is 51582277. The reversal of 51582263 is 36228515.

51582263 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 not a de Polignac number, because 51582263 - 2⁴ = 51582247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51582203) 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, 25791131 + 25791132.

It is an arithmetic number, because the mean of its divisors is an integer number (25791132).

Almost surely, 2^51582263 is an apocalyptic number.

51582263 is a deficient number, since it is larger than the sum of its proper divisors (1).

51582263 is an equidigital number, since it uses as much as digits as its factorization.

51582263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 32.

The square root of 51582263 is about 7182.0792950231. The cubic root of 51582263 is about 372.2489349145.

The spelling of 51582263 in words is "fifty-one million, five hundred eighty-two thousand, two hundred sixty-three".