56705579 has 8 divisors (see below), whose sum is σ = 64862208. Its totient is φ = 48562920.

The previous prime is 56705573. The next prime is 56705599. The reversal of 56705579 is 97550765.

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

It is not a de Polignac number, because 56705579 - 2⁸ = 56705323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56705573) 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 7 ways as a sum of consecutive naturals, for example, 7544 + ... + 13050.

It is an arithmetic number, because the mean of its divisors is an integer number (8107776).

Almost surely, 2^56705579 is an apocalyptic number.

56705579 is a deficient number, since it is larger than the sum of its proper divisors (8156629).

56705579 is a wasteful number, since it uses less digits than its factorization.

56705579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6985.

The product of its (nonzero) digits is 330750, while the sum is 44.

The square root of 56705579 is about 7530.3106841617. The cubic root of 56705579 is about 384.1863493496.

The spelling of 56705579 in words is "fifty-six million, seven hundred five thousand, five hundred seventy-nine".