56899567 has 2 divisors, whose sum is σ = 56899568. Its totient is φ = 56899566.

The previous prime is 56899559. The next prime is 56899597. The reversal of 56899567 is 76599865.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56899567 - 2³ = 56899559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56899517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28449783 + 28449784.

It is an arithmetic number, because the mean of its divisors is an integer number (28449784).

Almost surely, 2^56899567 is an apocalyptic number.

56899567 is a deficient number, since it is larger than the sum of its proper divisors (1).

56899567 is an equidigital number, since it uses as much as digits as its factorization.

56899567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 55.

The square root of 56899567 is about 7543.1801648907. The cubic root of 56899567 is about 384.6239471930.

The spelling of 56899567 in words is "fifty-six million, eight hundred ninety-nine thousand, five hundred sixty-seven".