56567447 has 2 divisors, whose sum is σ = 56567448. Its totient is φ = 56567446.

The previous prime is 56567383. The next prime is 56567453. The reversal of 56567447 is 74476565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56567447 - 2⁶ = 56567383 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56567398 and 56567407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56567477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28283723 + 28283724.

It is an arithmetic number, because the mean of its divisors is an integer number (28283724).

Almost surely, 2^56567447 is an apocalyptic number.

56567447 is a deficient number, since it is larger than the sum of its proper divisors (1).

56567447 is an equidigital number, since it uses as much as digits as its factorization.

56567447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 44.

The square root of 56567447 is about 7521.1333587432. The cubic root of 56567447 is about 383.8741426917.

The spelling of 56567447 in words is "fifty-six million, five hundred sixty-seven thousand, four hundred forty-seven".