56808823 has 2 divisors, whose sum is σ = 56808824. Its totient is φ = 56808822.

The previous prime is 56808809. The next prime is 56808839. The reversal of 56808823 is 32880865.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56808823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56808863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28404411 + 28404412.

It is an arithmetic number, because the mean of its divisors is an integer number (28404412).

Almost surely, 2^56808823 is an apocalyptic number.

56808823 is a deficient number, since it is larger than the sum of its proper divisors (1).

56808823 is an equidigital number, since it uses as much as digits as its factorization.

56808823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 56808823 is about 7537.1627951106. The cubic root of 56808823 is about 384.4193710251.

The spelling of 56808823 in words is "fifty-six million, eight hundred eight thousand, eight hundred twenty-three".