56679811 has 4 divisors (see below), whose sum is σ = 58508224. Its totient is φ = 54851400.

The previous prime is 56679809. The next prime is 56679859. The reversal of 56679811 is 11897665.

It is a happy number.

56679811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 56679811 - 2¹ = 56679809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56679871) 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 3 ways as a sum of consecutive naturals, for example, 914160 + ... + 914221.

It is an arithmetic number, because the mean of its divisors is an integer number (14627056).

Almost surely, 2^56679811 is an apocalyptic number.

56679811 is a deficient number, since it is larger than the sum of its proper divisors (1828413).

56679811 is a wasteful number, since it uses less digits than its factorization.

56679811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828412.

The product of its digits is 90720, while the sum is 43.

The square root of 56679811 is about 7528.5995377627. The cubic root of 56679811 is about 384.1281468827.

The spelling of 56679811 in words is "fifty-six million, six hundred seventy-nine thousand, eight hundred eleven".