56128083 has 8 divisors (see below), whose sum is σ = 81640896. Its totient is φ = 34017000.

The previous prime is 56128063. The next prime is 56128087. The reversal of 56128083 is 38082165.

It is a happy number.

56128083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56128083 - 2⁹ = 56127571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1700851 = 56128083 / (5 + 6 + 1 + 2 + 8 + 0 + 8 + 3).

It is not an unprimeable number, because it can be changed into a prime (56128087) 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, 850393 + ... + 850458.

It is an arithmetic number, because the mean of its divisors is an integer number (10205112).

Almost surely, 2^56128083 is an apocalyptic number.

56128083 is a deficient number, since it is larger than the sum of its proper divisors (25512813).

56128083 is a wasteful number, since it uses less digits than its factorization.

56128083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700865.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 56128083 is about 7491.8677911453. The cubic root of 56128083 is about 382.8776977489.

It can be divided in two parts, 5612 and 8083, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 56128083 in words is "fifty-six million, one hundred twenty-eight thousand, eighty-three".