51826559 has 2 divisors, whose sum is σ = 51826560. Its totient is φ = 51826558.

The previous prime is 51826553. The next prime is 51826561. The reversal of 51826559 is 95562815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51826559 - 2⁸ = 51826303 is a prime.

Together with 51826561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51826553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25913279 + 25913280.

It is an arithmetic number, because the mean of its divisors is an integer number (25913280).

Almost surely, 2^51826559 is an apocalyptic number.

51826559 is a deficient number, since it is larger than the sum of its proper divisors (1).

51826559 is an equidigital number, since it uses as much as digits as its factorization.

51826559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 41.

The square root of 51826559 is about 7199.0665367115. The cubic root of 51826559 is about 372.8356723795.

The spelling of 51826559 in words is "fifty-one million, eight hundred twenty-six thousand, five hundred fifty-nine".