56982709 has 8 divisors (see below), whose sum is σ = 67368960. Its totient is φ = 47157936.

The previous prime is 56982703. The next prime is 56982727. The reversal of 56982709 is 90728965.

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

It is not a de Polignac number, because 56982709 - 2⁵ = 56982677 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 (56982703) 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, 140149 + ... + 140554.

It is an arithmetic number, because the mean of its divisors is an integer number (8421120).

Almost surely, 2^56982709 is an apocalyptic number.

It is an amenable number.

56982709 is a deficient number, since it is larger than the sum of its proper divisors (10386251).

56982709 is a wasteful number, since it uses less digits than its factorization.

56982709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280739.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 56982709 is about 7548.6892239646. The cubic root of 56982709 is about 384.8111943189.

The spelling of 56982709 in words is "fifty-six million, nine hundred eighty-two thousand, seven hundred nine".