56368643 has 2 divisors, whose sum is σ = 56368644. Its totient is φ = 56368642.

The previous prime is 56368621. The next prime is 56368691. The reversal of 56368643 is 34686365.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56368643 is a prime.

It is a super-2 number, since 2×56368643² = 6354847827322898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56368643.

It is not a weakly prime, because it can be changed into another prime (56368603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28184321 + 28184322.

It is an arithmetic number, because the mean of its divisors is an integer number (28184322).

Almost surely, 2^56368643 is an apocalyptic number.

56368643 is a deficient number, since it is larger than the sum of its proper divisors (1).

56368643 is an equidigital number, since it uses as much as digits as its factorization.

56368643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 41.

The square root of 56368643 is about 7507.9053670115. The cubic root of 56368643 is about 383.4239114668.

The spelling of 56368643 in words is "fifty-six million, three hundred sixty-eight thousand, six hundred forty-three".