56469643 has 2 divisors, whose sum is σ = 56469644. Its totient is φ = 56469642.

The previous prime is 56469629. The next prime is 56469649. The reversal of 56469643 is 34696465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56469643 - 2⁹ = 56469131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56469643.

It is not a weakly prime, because it can be changed into another prime (56469649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28234821 + 28234822.

It is an arithmetic number, because the mean of its divisors is an integer number (28234822).

Almost surely, 2^56469643 is an apocalyptic number.

56469643 is a deficient number, since it is larger than the sum of its proper divisors (1).

56469643 is an equidigital number, since it uses as much as digits as its factorization.

56469643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 43.

The square root of 56469643 is about 7514.6286002703. The cubic root of 56469643 is about 383.6527781242.

It can be divided in two parts, 564 and 69643, that added together give a palindrome (70207).

The spelling of 56469643 in words is "fifty-six million, four hundred sixty-nine thousand, six hundred forty-three".