56936689 has 4 divisors (see below), whose sum is σ = 60285924. Its totient is φ = 53587456.

The previous prime is 56936669. The next prime is 56936699. The reversal of 56936689 is 98663965.

It is a happy number.

56936689 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: 98663965 = 5 ⋅19732793.

It can be written as a sum of positive squares in 2 ways, for example, as 23931664 + 33005025 = 4892^2 + 5745^2 .

It is a cyclic number.

It is not a de Polignac number, because 56936689 - 2¹¹ = 56934641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56936609) 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, 1674592 + ... + 1674625.

It is an arithmetic number, because the mean of its divisors is an integer number (15071481).

Almost surely, 2^56936689 is an apocalyptic number.

It is an amenable number.

56936689 is a deficient number, since it is larger than the sum of its proper divisors (3349235).

56936689 is a wasteful number, since it uses less digits than its factorization.

56936689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349234.

The product of its digits is 2099520, while the sum is 52.

The square root of 56936689 is about 7545.6403969445. The cubic root of 56936689 is about 384.7075735250.

The spelling of 56936689 in words is "fifty-six million, nine hundred thirty-six thousand, six hundred eighty-nine".