56466779 has 4 divisors (see below), whose sum is σ = 58288320. Its totient is φ = 54645240.

The previous prime is 56466757. The next prime is 56466793. The reversal of 56466779 is 97766465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97766465 = 5 ⋅19553293.

It is a cyclic number.

It is not a de Polignac number, because 56466779 - 2⁸ = 56466523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56466749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910724 + ... + 910785.

It is an arithmetic number, because the mean of its divisors is an integer number (14572080).

Almost surely, 2^56466779 is an apocalyptic number.

56466779 is a deficient number, since it is larger than the sum of its proper divisors (1821541).

56466779 is a wasteful number, since it uses less digits than its factorization.

56466779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821540.

The product of its digits is 1905120, while the sum is 50.

The square root of 56466779 is about 7514.4380362074. The cubic root of 56466779 is about 383.6462920426.

The spelling of 56466779 in words is "fifty-six million, four hundred sixty-six thousand, seven hundred seventy-nine".