56904203899 has 2 divisors, whose sum is σ = 56904203900. Its totient is φ = 56904203898.

The previous prime is 56904203813. The next prime is 56904203971. The reversal of 56904203899 is 99830240965.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56904203899 - 2¹⁹ = 56903679611 is a prime.

It is not a weakly prime, because it can be changed into another prime (56904203809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28452101949 + 28452101950.

It is an arithmetic number, because the mean of its divisors is an integer number (28452101950).

Almost surely, 2^56904203899 is an apocalyptic number.

56904203899 is a deficient number, since it is larger than the sum of its proper divisors (1).

56904203899 is an equidigital number, since it uses as much as digits as its factorization.

56904203899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 56904203899 in words is "fifty-six billion, nine hundred four million, two hundred three thousand, eight hundred ninety-nine".