56715782 has 8 divisors (see below), whose sum is σ = 85115496. Its totient is φ = 28343952.

The previous prime is 56715781. The next prime is 56715797. The reversal of 56715782 is 28751765.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56715781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788 + ... + 10679.

It is an arithmetic number, because the mean of its divisors is an integer number (10639437).

Almost surely, 2^56715782 is an apocalyptic number.

56715782 is a deficient number, since it is larger than the sum of its proper divisors (28399714).

56715782 is a wasteful number, since it uses less digits than its factorization.

56715782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13942.

The product of its digits is 117600, while the sum is 41.

The square root of 56715782 is about 7530.9881157787. The cubic root of 56715782 is about 384.2093901057.

The spelling of 56715782 in words is "fifty-six million, seven hundred fifteen thousand, seven hundred eighty-two".