56689023 has 4 divisors (see below), whose sum is σ = 75585368. Its totient is φ = 37792680.

The previous prime is 56689013. The next prime is 56689051. The reversal of 56689023 is 32098665.

56689023 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.

It is not a de Polignac number, because 56689023 - 2¹³ = 56680831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56689013) 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, 9448168 + ... + 9448173.

It is an arithmetic number, because the mean of its divisors is an integer number (18896342).

Almost surely, 2^56689023 is an apocalyptic number.

56689023 is a deficient number, since it is larger than the sum of its proper divisors (18896345).

56689023 is a wasteful number, since it uses less digits than its factorization.

56689023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18896344.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 56689023 is about 7529.2113132784. The cubic root of 56689023 is about 384.1489561546.

The spelling of 56689023 in words is "fifty-six million, six hundred eighty-nine thousand, twenty-three".