56684291 has 4 divisors (see below), whose sum is σ = 57130752. Its totient is φ = 56237832.

The previous prime is 56684267. The next prime is 56684321. The reversal of 56684291 is 19248665.

It is a happy number.

56684291 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 a cyclic number.

It is not a de Polignac number, because 56684291 - 2⁶ = 56684227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56684261) 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, 223040 + ... + 223293.

It is an arithmetic number, because the mean of its divisors is an integer number (14282688).

Almost surely, 2^56684291 is an apocalyptic number.

56684291 is a deficient number, since it is larger than the sum of its proper divisors (446461).

56684291 is a wasteful number, since it uses less digits than its factorization.

56684291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446460.

The product of its digits is 103680, while the sum is 41.

The square root of 56684291 is about 7528.8970639796. The cubic root of 56684291 is about 384.1382671749.

The spelling of 56684291 in words is "fifty-six million, six hundred eighty-four thousand, two hundred ninety-one".