56830399 has 2 divisors, whose sum is σ = 56830400. Its totient is φ = 56830398.

The previous prime is 56830373. The next prime is 56830421. The reversal of 56830399 is 99303865.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56830399 - 2⁹ = 56829887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56830339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28415199 + 28415200.

It is an arithmetic number, because the mean of its divisors is an integer number (28415200).

Almost surely, 2^56830399 is an apocalyptic number.

56830399 is a deficient number, since it is larger than the sum of its proper divisors (1).

56830399 is an equidigital number, since it uses as much as digits as its factorization.

56830399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 56830399 is about 7538.5939670472. The cubic root of 56830399 is about 384.4680323778.

The spelling of 56830399 in words is "fifty-six million, eight hundred thirty thousand, three hundred ninety-nine".