56704566 has 8 divisors (see below), whose sum is σ = 113409144. Its totient is φ = 18901520.

The previous prime is 56704559. The next prime is 56704567. The reversal of 56704566 is 66540765.

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

56704566 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56704567) 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, 4725375 + ... + 4725386.

It is an arithmetic number, because the mean of its divisors is an integer number (14176143).

Almost surely, 2^56704566 is an apocalyptic number.

56704566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56704566 is a wasteful number, since it uses less digits than its factorization.

56704566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9450766.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 56704566 is about 7530.2434223603. The cubic root of 56704566 is about 384.1840616083.

The spelling of 56704566 in words is "fifty-six million, seven hundred four thousand, five hundred sixty-six".