56826559 has 2 divisors, whose sum is σ = 56826560. Its totient is φ = 56826558.

The previous prime is 56826557. The next prime is 56826611. The reversal of 56826559 is 95562865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56826559 - 2¹ = 56826557 is a prime.

Together with 56826557, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56826551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28413279 + 28413280.

It is an arithmetic number, because the mean of its divisors is an integer number (28413280).

Almost surely, 2^56826559 is an apocalyptic number.

56826559 is a deficient number, since it is larger than the sum of its proper divisors (1).

56826559 is an equidigital number, since it uses as much as digits as its factorization.

56826559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 46.

The square root of 56826559 is about 7538.3392733413. The cubic root of 56826559 is about 384.4593727489.

The spelling of 56826559 in words is "fifty-six million, eight hundred twenty-six thousand, five hundred fifty-nine".