56428966 has 16 divisors (see below), whose sum is σ = 92897280. Its totient is φ = 25494280.

The previous prime is 56428963. The next prime is 56428979. The reversal of 56428966 is 66982465.

56428966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56428963) 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 7 ways as a sum of consecutive naturals, for example, 4006 + ... + 11353.

It is an arithmetic number, because the mean of its divisors is an integer number (5806080).

Almost surely, 2^56428966 is an apocalyptic number.

56428966 is a deficient number, since it is larger than the sum of its proper divisors (36468314).

56428966 is a wasteful number, since it uses less digits than its factorization.

56428966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15539.

The product of its digits is 622080, while the sum is 46.

The square root of 56428966 is about 7511.9215917101. The cubic root of 56428966 is about 383.5606366250.

The spelling of 56428966 in words is "fifty-six million, four hundred twenty-eight thousand, nine hundred sixty-six".