56567887 has 2 divisors, whose sum is σ = 56567888. Its totient is φ = 56567886.

The previous prime is 56567869. The next prime is 56567911. The reversal of 56567887 is 78876565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56567887 - 2¹⁵ = 56535119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56567087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28283943 + 28283944.

It is an arithmetic number, because the mean of its divisors is an integer number (28283944).

Almost surely, 2^56567887 is an apocalyptic number.

56567887 is a deficient number, since it is larger than the sum of its proper divisors (1).

56567887 is an equidigital number, since it uses as much as digits as its factorization.

56567887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 52.

The square root of 56567887 is about 7521.1626095970. The cubic root of 56567887 is about 383.8751379884.

The spelling of 56567887 in words is "fifty-six million, five hundred sixty-seven thousand, eight hundred eighty-seven".