56802643 has 2 divisors, whose sum is σ = 56802644. Its totient is φ = 56802642.

The previous prime is 56802631. The next prime is 56802673. The reversal of 56802643 is 34620865.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56802643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56802599 and 56802608.

It is not a weakly prime, because it can be changed into another prime (56802623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28401321 + 28401322.

It is an arithmetic number, because the mean of its divisors is an integer number (28401322).

Almost surely, 2^56802643 is an apocalyptic number.

56802643 is a deficient number, since it is larger than the sum of its proper divisors (1).

56802643 is an equidigital number, since it uses as much as digits as its factorization.

56802643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 56802643 is about 7536.7528153708. The cubic root of 56802643 is about 384.4054307148.

The spelling of 56802643 in words is "fifty-six million, eight hundred two thousand, six hundred forty-three".