56985803 has 4 divisors (see below), whose sum is σ = 65126640. Its totient is φ = 48844968.

The previous prime is 56985791. The next prime is 56985811. The reversal of 56985803 is 30858965.

56985803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30858965 = 5 ⋅6171793.

It is a cyclic number.

It is not a de Polignac number, because 56985803 - 2¹² = 56981707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56985823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4070408 + ... + 4070421.

It is an arithmetic number, because the mean of its divisors is an integer number (16281660).

Almost surely, 2^56985803 is an apocalyptic number.

56985803 is a deficient number, since it is larger than the sum of its proper divisors (8140837).

56985803 is an equidigital number, since it uses as much as digits as its factorization.

56985803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8140836.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 56985803 is about 7548.8941574246. The cubic root of 56985803 is about 384.8181589129.

The spelling of 56985803 in words is "fifty-six million, nine hundred eighty-five thousand, eight hundred three".