56887801 has 2 divisors, whose sum is σ = 56887802. Its totient is φ = 56887800.

The previous prime is 56887799. The next prime is 56887829. The reversal of 56887801 is 10878865.

56887801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36421225 + 20466576 = 6035^2 + 4524^2 .

It is a cyclic number.

It is not a de Polignac number, because 56887801 - 2¹ = 56887799 is a prime.

Together with 56887799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56887841) 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 as a sum of consecutive naturals, namely, 28443900 + 28443901.

It is an arithmetic number, because the mean of its divisors is an integer number (28443901).

Almost surely, 2^56887801 is an apocalyptic number.

It is an amenable number.

56887801 is a deficient number, since it is larger than the sum of its proper divisors (1).

56887801 is an equidigital number, since it uses as much as digits as its factorization.

56887801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 43.

The square root of 56887801 is about 7542.4002147857. The cubic root of 56887801 is about 384.5974338258.

The spelling of 56887801 in words is "fifty-six million, eight hundred eighty-seven thousand, eight hundred one".