56208457 has 2 divisors, whose sum is σ = 56208458. Its totient is φ = 56208456.

The previous prime is 56208437. The next prime is 56208463. The reversal of 56208457 is 75480265.

It is a happy number.

56208457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49154121 + 7054336 = 7011^2 + 2656^2 .

It is a cyclic number.

It is not a de Polignac number, because 56208457 - 2⁷ = 56208329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56208407) 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 as a sum of consecutive naturals, namely, 28104228 + 28104229.

It is an arithmetic number, because the mean of its divisors is an integer number (28104229).

Almost surely, 2^56208457 is an apocalyptic number.

It is an amenable number.

56208457 is a deficient number, since it is larger than the sum of its proper divisors (1).

56208457 is an equidigital number, since it uses as much as digits as its factorization.

56208457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 56208457 is about 7497.2299551234. The cubic root of 56208457 is about 383.0603676543.

It can be divided in two parts, 56208 and 457, that added together give a palindrome (56665).

The spelling of 56208457 in words is "fifty-six million, two hundred eight thousand, four hundred fifty-seven".