56899597 has 2 divisors, whose sum is σ = 56899598. Its totient is φ = 56899596.

The previous prime is 56899567. The next prime is 56899639. The reversal of 56899597 is 79599865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38700841 + 18198756 = 6221^2 + 4266^2 .

It is a cyclic number.

It is not a de Polignac number, because 56899597 - 2²³ = 48510989 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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28449798 + 28449799.

It is an arithmetic number, because the mean of its divisors is an integer number (28449799).

Almost surely, 2^56899597 is an apocalyptic number.

It is an amenable number.

56899597 is a deficient number, since it is larger than the sum of its proper divisors (1).

56899597 is an equidigital number, since it uses as much as digits as its factorization.

56899597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6123600, while the sum is 58.

The square root of 56899597 is about 7543.1821534416. The cubic root of 56899597 is about 384.6240147899.

The spelling of 56899597 in words is "fifty-six million, eight hundred ninety-nine thousand, five hundred ninety-seven".