56742589 has 8 divisors (see below), whose sum is σ = 58784760. Its totient is φ = 54706176.

The previous prime is 56742577. The next prime is 56742613. The reversal of 56742589 is 98524765.

It can be written as a sum of positive squares in 4 ways, for example, as 32319225 + 24423364 = 5685^2 + 4942^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56742589 - 2⁵ = 56742557 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 (56742289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32589 + ... + 34285.

It is an arithmetic number, because the mean of its divisors is an integer number (7348095).

Almost surely, 2^56742589 is an apocalyptic number.

It is an amenable number.

56742589 is a deficient number, since it is larger than the sum of its proper divisors (2042171).

56742589 is a wasteful number, since it uses less digits than its factorization.

56742589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879.

The product of its digits is 604800, while the sum is 46.

The square root of 56742589 is about 7532.7676852535. The cubic root of 56742589 is about 384.2699134056.

The spelling of 56742589 in words is "fifty-six million, seven hundred forty-two thousand, five hundred eighty-nine".