56938669 has 2 divisors, whose sum is σ = 56938670. Its totient is φ = 56938668.

The previous prime is 56938633. The next prime is 56938699. The reversal of 56938669 is 96683965.

It is a happy number.

56938669 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., 49984900 + 6953769 = 7070^2 + 2637^2 .

It is a cyclic number.

It is not a de Polignac number, because 56938669 - 2⁹ = 56938157 is a prime.

It is a super-2 number, since 2×56938669² = 6484024054983122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56938699) 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, 28469334 + 28469335.

It is an arithmetic number, because the mean of its divisors is an integer number (28469335).

Almost surely, 2^56938669 is an apocalyptic number.

It is an amenable number.

56938669 is a deficient number, since it is larger than the sum of its proper divisors (1).

56938669 is an equidigital number, since it uses as much as digits as its factorization.

56938669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 52.

The square root of 56938669 is about 7545.7715973915. The cubic root of 56938669 is about 384.7120329352.

The spelling of 56938669 in words is "fifty-six million, nine hundred thirty-eight thousand, six hundred sixty-nine".