56956567 has 2 divisors, whose sum is σ = 56956568. Its totient is φ = 56956566.

The previous prime is 56956513. The next prime is 56956577. The reversal of 56956567 is 76565965.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56956567 - 2⁷ = 56956439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56956567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56956507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28478283 + 28478284.

It is an arithmetic number, because the mean of its divisors is an integer number (28478284).

Almost surely, 2^56956567 is an apocalyptic number.

56956567 is a deficient number, since it is larger than the sum of its proper divisors (1).

56956567 is an equidigital number, since it uses as much as digits as its factorization.

56956567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1701000, while the sum is 49.

The square root of 56956567 is about 7546.9574664231. The cubic root of 56956567 is about 384.7523386112.

The spelling of 56956567 in words is "fifty-six million, nine hundred fifty-six thousand, five hundred sixty-seven".