56722006 has 8 divisors (see below), whose sum is σ = 92817864. Its totient is φ = 25782720.

The previous prime is 56721991. The next prime is 56722007. The reversal of 56722006 is 60022765.

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 (56722007) 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, 1289115 + ... + 1289158.

It is an arithmetic number, because the mean of its divisors is an integer number (11602233).

Almost surely, 2^56722006 is an apocalyptic number.

56722006 is a deficient number, since it is larger than the sum of its proper divisors (36095858).

56722006 is a wasteful number, since it uses less digits than its factorization.

56722006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578286.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 56722006 is about 7531.4013304298. The cubic root of 56722006 is about 384.2234439939.

The spelling of 56722006 in words is "fifty-six million, seven hundred twenty-two thousand, six".