56207897 has 4 divisors (see below), whose sum is σ = 56223156. Its totient is φ = 56192640.

The previous prime is 56207891. The next prime is 56207903. The reversal of 56207897 is 79870265.

56207897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (56207891) and next prime (56207903).

It can be written as a sum of positive squares in 2 ways, for example, as 50922496 + 5285401 = 7136^2 + 2299^2 .

It is a cyclic number.

It is not a de Polignac number, because 56207897 - 2¹⁰ = 56206873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56207891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697 + ... + 10737.

It is an arithmetic number, because the mean of its divisors is an integer number (14055789).

Almost surely, 2^56207897 is an apocalyptic number.

It is an amenable number.

56207897 is a deficient number, since it is larger than the sum of its proper divisors (15259).

56207897 is an equidigital number, since it uses as much as digits as its factorization.

56207897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15258.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 56207897 is about 7497.1926079033. The cubic root of 56207897 is about 383.0590955176.

The spelling of 56207897 in words is "fifty-six million, two hundred seven thousand, eight hundred ninety-seven".