56724286 has 8 divisors (see below), whose sum is σ = 85198824. Its totient is φ = 28324680.

The previous prime is 56724271. The next prime is 56724289. The reversal of 56724286 is 68242765.

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 (56724289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16800 + ... + 19891.

It is an arithmetic number, because the mean of its divisors is an integer number (10649853).

Almost surely, 2^56724286 is an apocalyptic number.

56724286 is a deficient number, since it is larger than the sum of its proper divisors (28474538).

56724286 is a wasteful number, since it uses less digits than its factorization.

56724286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37466.

The product of its digits is 161280, while the sum is 40.

The square root of 56724286 is about 7531.5526951619. The cubic root of 56724286 is about 384.2285920118.

The spelling of 56724286 in words is "fifty-six million, seven hundred twenty-four thousand, two hundred eighty-six".