56566279 has 8 divisors (see below), whose sum is σ = 70524288. Its totient is φ = 44077560.

The previous prime is 56566273. The next prime is 56566283. The reversal of 56566279 is 97266565.

56566279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 56566279 - 2³ = 56566271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56566271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367237 + ... + 367390.

It is an arithmetic number, because the mean of its divisors is an integer number (8815536).

Almost surely, 2^56566279 is an apocalyptic number.

56566279 is a deficient number, since it is larger than the sum of its proper divisors (13958009).

56566279 is a wasteful number, since it uses less digits than its factorization.

56566279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734645.

The product of its digits is 680400, while the sum is 46.

The square root of 56566279 is about 7521.0557104704. The cubic root of 56566279 is about 383.8715006063.

It can be divided in two parts, 5656 and 6279, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 56566279 in words is "fifty-six million, five hundred sixty-six thousand, two hundred seventy-nine".