56649343 has 2 divisors, whose sum is σ = 56649344. Its totient is φ = 56649342.

The previous prime is 56649323. The next prime is 56649349. The reversal of 56649343 is 34394665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56649343 - 2¹⁷ = 56518271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56649296 and 56649305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56649349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28324671 + 28324672.

It is an arithmetic number, because the mean of its divisors is an integer number (28324672).

Almost surely, 2^56649343 is an apocalyptic number.

56649343 is a deficient number, since it is larger than the sum of its proper divisors (1).

56649343 is an equidigital number, since it uses as much as digits as its factorization.

56649343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 40.

The square root of 56649343 is about 7526.5757818546. The cubic root of 56649343 is about 384.0593057093.

The spelling of 56649343 in words is "fifty-six million, six hundred forty-nine thousand, three hundred forty-three".