56679433 has 2 divisors, whose sum is σ = 56679434. Its totient is φ = 56679432.

The previous prime is 56679407. The next prime is 56679437. The reversal of 56679433 is 33497665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56670784 + 8649 = 7528^2 + 93^2 .

It is a cyclic number.

It is not a de Polignac number, because 56679433 - 2⁵ = 56679401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56679433.

It is not a weakly prime, because it can be changed into another prime (56679437) 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 as a sum of consecutive naturals, namely, 28339716 + 28339717.

It is an arithmetic number, because the mean of its divisors is an integer number (28339717).

Almost surely, 2^56679433 is an apocalyptic number.

It is an amenable number.

56679433 is a deficient number, since it is larger than the sum of its proper divisors (1).

56679433 is an equidigital number, since it uses as much as digits as its factorization.

56679433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 43.

The square root of 56679433 is about 7528.5744334502. The cubic root of 56679433 is about 384.1272929586.

The spelling of 56679433 in words is "fifty-six million, six hundred seventy-nine thousand, four hundred thirty-three".